Pitot Ckt LoOwner's Manual for more information. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active TRIM CKT HI Code is active S spiderman Member Jul 30, 2012 #2 That's alot of codes for one starting problem. I have good fuel pressure and spark. TROUBLE CODE STATUS Current ECM Codes Sensor Fault, click Read Fault button for details Limiter Fault, click Read Fault button for details Trouble Code List: PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active ECT TMP CKT HI Code is active TRIM CKT HI Code is active …. For a Fault 94, the book says the condition is "Pitot Pressure Sensor Circuit Open" and the cause is either Wiring Problem or Sensor Problem. Usually, some of the error codes contain CKT for which typically means a sensor is closed (circuit high, or CKT HI, orcircuit open, CKT LO, preceded with the. 2 PITOT CKT LO ------ FF Baro Pressure 14. Return to port Immediately ‑ Service engine. as far as these faults always showing up, here is why, fuel lvl2 ckt h in which means if you had 2 gas tanks then you have a real active code for some reason. The EMC uses the speed reading to. One code I see may be the problem is the FUEL LVL CKT HI Code is active. 31 TPS1 CKT Lo 90% Open in Throttle Position Sensor (TPS) circuit. Fault code 94 pitot ckt lo I have an alarm going off every minute or so at idle and at speed. It works by measuring the water pressure against the. The faults I am seeing are 27 BLK PSI CKT LO, 94 Pitot CKT LO, 75 Fuel LVL CKT HI, and 130 Trim CKT HI. there is a scan for when its running and a scan for stored codes. The block water pressure sensor is reading low so we put a new one in. Usually, some of the error codes contain CKT for which typically means a sensor is closed (circuit high, or CKT HI, orcircuit open, CKT LO, preceded with the sensor name, water pressure, IAC, pitot sensor, etc. 8v, 994 counts in Throttle Position Sensor (TPS) circuit. 00 % FF Engine Speed 0 RPM FF Engine State Stall FF FPC Total 0. I noticed looking at the sensor values the manifold air temp shows 254 degrees - but the ECM is not faulting it. 3 PITOT CKT LO-----FF Baro Pressure 14. SELECT key Is used to select screen options and confirm data entry. The difference would be the Sea pump Press fault should give you a constant warning alarm,. Codes are: PITOT CKT LO FUEL LVL HI TRIM CRT HI LIMITOR FAULT BLK PIS CRT LO It beeps approx twice per minute as well, I have done some searching and not been able to find all the codes but on some, Any help appreciated. fuel pressure at line (done as i see). Compression, times spark ignition, and the proper ratio of. 7 psi Overspeed Yes Constant rpm limit Engine over rpm limit Pitot CKT Hi No No 100% Short or high voltage Pitot CKT Lo No No 100% Open Sea Pump PSI Lo Yes Constant 6-100% Guardian Strategy Sea Pump CKT Hi Yes 2 Bp/min 90% Open - 0 psi reading Sea Pump CKT Lo Yes 2 Bp/min 90% Voltage high or. Ok I must not have articulated my issue properly enough. By ensuring that engine output is at a low enough level, the engine is …. Thread Tools 12-05-2019, 05:31 PM #11 Ferrisoz. I get pitot ckt hi/lo because we have v-drives, there is no pitot sensor. Also I get the two beep alert. PITOT CKT LO ? OIL LVL CKT HI FUEL LVL CKT HI SEA TEMP CKT HI ---- These are all boat sensors. pretty sure 94 PITOT CKT LO, 75 FUEL LVL CKT HI, and 130 TRIM CKT HI. If the sensor itself is bad you should get a " Sea Pump CKT Hi, or Lo fault. I get the following codes: 37 BLK PSI LO, 94 PITOT CKT LO, 75 FUEL LVL CKT HI, and 130 TRIM CKT HI. " This means that the sensor itself has failed with an open or short circuit, or one of the leads between the sensor and the ECM/PCM is open or shorted. engine compression E EricP-NH Cadet Joined Aug 20, 2016 Messages 25 Sep 7, 2016 #22 Thanks, what is tps? Those items are on my agenda as well Bondo Moderator. If the sensor itself is bad you should get a " Sea Pump CKT Hi, or Lo fault. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT HI Code is active TRIM CKT LO Code is active FUEL LVL2 CKT H Code is active N newport dave Chief Petty Officer Joined Nov 21, 2004 Messages 458 Nov 8, 2008 #6 Re: Mercruiser 496 MAG Diagnostic Port None of those codes mean anything important. 0 Counts FF Frequency Count 63 FF Fuel Level 0. Unplug sensor by sensor until you find. tps! (by digital meter easily, couple times for sure) 4. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active TRIM CKT HI Code is active i test the injectors with the diacom from 01 to 04 injector test good, but from 05 to 08 i cannot test them ,the same result on the 02 engines,please let me know if you have any suggestion. My guess is a water pressure problem. Once connected, click on the "Codes" tab at the top of the screen, then click on the "Faults. PITOT CKT LO SEA TEMP CKT HI STEER CKT LO I understand that the ECM/PCM555 faults only show as "Active" when they are happening. PITOT CKT LO ? OIL LVL CKT HI FUEL LVL CKT HI SEA TEMP CKT HI ---- These are all boat sensors. The sensor fault should give you a 2 beep per minute warning. A circuit with an open or short would give a fault that is "CKT HI" or "CKT LO. I get pitot ckt hi/lo because we have v-drives, there is no pitot sensor. Has anyone experienced a Smartcraft fault 94 - "stbd pitot ckt lo" I changed the sensor that converts pitot pressure to an electrical output to smartcraftchecked the wire connections on the engine and on the speedometer. Fault code 94 pitot ckt lo I have an alarm going off every minute or so at idle and at speed. 33 TPS1 Range Lo 90% Below 0. The system monitors the sensors incorporated on the engine and if a malfunction isdiscovered, a fault description is stored in the PCM and available power is normally reduced. I just took delivery of a brand new (leftover) 2005 Ventura 180 with an Optimax 135. Oil PSI CKT Lo Yes 2 Bp/min 90% Short, defaults to 50. The workaround is to start in neutral at WOT then quickly throttle down. After changing the sensor (it is the correct 100 psi sensor p/n 881879A2) it worked fine the first time at cruise speed. Pitot CKT Hi No No 100% Short or high voltage Pitot CKT Lo No No 100% Open Sea Pump PSI Lo Yes Constant 6-100% Guardian Strategy Sea Pump CKT Hi. It may have a dust cap on it and it could have a depthsounder connected to it. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active TRIM CKT HI Code is active i test. One sensor is bringing the 5 volt reference to zero. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active FUEL LVL2 CKT H Code is active Is this on an Outboard or Mercruiser stern drive type boat? All those are usually normal codes you'll see on engine applications that don't typically utilize these sensors. Pitot ckt lo is a code you will get if the pressure transducer for the electronic water pressure gauge is not being used Fuel lvl ckt hi means that the gauge you are using is not connected to the engine and running thru the special harness (not a Smartcraft gauge, the harness for it would run from the sender to the motor and from the ECU to the. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT HI Code is active TRIM CKT LO Code is active FUEL LVL2 CKT H Code is active BUP 05-11-2014 10:43 PM as far as these faults always showing up, here is why, fuel lvl2 ckt h in which means if you had 2 gas tanks then you have a real active code for some reason. Don S Honorary Moderator Emeritus. If the sensor itself is bad you should get a " Sea Pump CKT Hi, or Lo fault. 94, pitot ckt Lo 75, fuel LVL ckt hi 121, tps1 ckt Lo 181, steer ckt hi 133, 5 vdc pwr Lo 131, trim ckt Lo 191, fuel LVL2 ckt h Would any of these stop it from starting? Thanks. In this freezframe memory is the engine hours. If the sensor itself is bad you should get a " Sea Pump CKT Hi, or Lo fault. Pitot CKT Lo No No 100% Open Sea Pump PSI Lo Yes Constant 6-100% Guardian Strategy Sea Pump CKT Hi Yes 2 Bp/min 90% Open - 0 psi reading Sea Pump CKT Lo Yes 2 Bp/min 90% Voltage high or short Sea Water Temp No No N/A Defaults to --31 degreesC Fuel Level #1 No No N/A Only if turned on. If I exceed 3k Rpms the computer goes into a safe mode. Posts: 18 Likes: 0 Received 5 Likes on 5 Posts Are there fuses located on the engine. The difference would be the Sea pump Press fault should give you a constant warning alarm, that resets when you drop the RPM to 1100-1200 RPM. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active TRIM CKT HI Code is active i test the injectors with the diacom from 01 to 04 injector test good, but from 05 to 08 i cannot test them ,the same result on the 02 engines,please let me know if you have any suggestion. For a Fault 94, the book says the condition is "Pitot Pressure Sensor Circuit Open" and the cause is either Wiring Problem or Sensor Problem. The difference would be the Sea pump Press fault should give you a constant warning alarm, that resets when you drop the RPM to 1100-1200 RPM. Unplug the transom harness and the trim senders and see if it will start. TROUBLE CODE STATUS Current ECM Codes Sensor Fault, click Read Fault button for details Limiter Fault, click Read Fault button for details Trouble Code List: PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active ECT TMP CKT HI Code is active TRIM CKT HI Code is active …. Pitot ckt lo, fuel lvl ckt hi, Steer ckt lo, Sea temp ckt hi are all optional sensors that would not cause an alarm to go off. I have not seen a PITOK Sep 13, 2020 #5 paulswagelock Well-Known Member 2,119 Oct 25, 2010 pa 2018 SDX 270 OB 300 Verado Verado 300. Both engines start straight away with this workaround. are codes that come up because there optional sensors that are not installed in the boat. I purchased the diagnostic cable with 555Scan Software. Sea Pump CKT lo is for the engine block water pressure sensor, and that will cause a 2 beep alarm. 06-05-2021, 05:29 PM #23 Jasbro1968. Better to be silent and thought a fool, than to speak and remove all doubt. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active TRIM CKT HI Code is active i test the injectors with the diacom from 01 to 04 injector test good, but from 05 to 08 i cannot test them ,the same result on the 02 engines,please let me know if you have any suggestion. Battery voltage is above normal limit. Both engines start straight away when cold. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active TRIM CKT HI Code is active i test the injectors with the diacom from 01 to 04 injector test good, but from 05 to 08 i cannot test them ,the same result on the 02 engines,please let me know if you have any suggestion. Fault code 94 pitot ckt lo I have an alarm going off every minute or so at idle and at speed. If the situation causing the fault stops the fault becomes inactive. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT HI Code is active TRIM CKT LO Code is active FUEL LVL2 CKT H Code is active N newport dave Chief Petty Officer Joined Nov 21, 2004 Messages 458 Nov 8, 2008 #6 Re: Mercruiser 496 MAG Diagnostic Port None of those codes mean anything important. I have checked all fuses on the fuse block on the boat behind the steering wheel. If the sensor itself is bad you should get a " Sea Pump CKT Hi, or Lo fault. MERCURY Outboard Motor Fault Code № - VesselView Short Text -VesselView Long Text - Action Text. I have a Mercury 525 EFI and i get code: Fault 94 PITOT CKT LO, Fault 120 TP11 CKT HI, Fault 118R CKT HI, Fault 191 L2 CKT H, Fault 191 LVL2 CKTH, Fault 75 FUEL LVL CK, Fault 118 I just bye the engine and install in it my boat. pdf " H how_much New member Jun 5, 2009 #3. Pitot CKT Lo No No 100% Open Sea Pump PSI Lo Yes Constant 6-100% Guardian Strategy Sea Pump CKT Hi Yes 2 Bp/min 90% Open - 0 psi reading Sea Pump CKT Lo Yes 2 Bp/min 90% Voltage high or short Sea Water Temp No No N/A Defaults to --31 degreesC Fuel Level #1 No No N/A Only if turned on STB EMCT CKT Hi N/A N/A N/A. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active FUEL LVL2 CKT H Code is active Is. For a Fault 94, the book says the condition is "Pitot Pressure Sensor Circuit Open" and the cause is either Wiring Problem or Sensor Problem. i have the following codes pitot ckt lo code is active fuel hi code is active trim ckt lo code is active fuel lvl2 ckt h code is active mechanic clears and they come. Pitot CKT Lo No No 100% Open Sea Pump PSI Lo Yes Constant 6-100% Guardian Strategy Sea Pump CKT Hi Yes 2 Bp/min 90% Open - 0 psi reading Sea Pump CKT Lo Yes 2 Bp/min 90% Voltage high or short Sea Water Temp No No N/A Defaults to --31 degreesC Fuel Level #1 No No N/A Only if turned on STB EMCT CKT Hi N/A N/A N/A N/A STB EMCT CKT Lo N/A N/A N/A N/A. I somehow reset my smartcraft, and I get these codes. hope this link helps http://www. A "CKT HI" fault means that the ECM/PCM is seeing a 5. PITOT CKT LO ? OIL LVL CKT HI FUEL LVL CKT HI SEA TEMP CKT HI ---- These are all boat sensors. 5v, 35 counts in Throttle Position Sensor (TPS) circuit. INTRODUCTION Keypad UsageSYSTEM VIEW Arrow trackpad Can be used to operate the up, down, and side to side movement for System View on-screen function prompts. Loss of power for a 2014 Re-Power 383 Mag Mercruiser, three codes came up including; PITOT CKT LO, FUEL LVL CKT and TRIM Ask an Expert Car Questions Boat Mechanics Loss of power for a 2014 Re-Power 383 Mag Mercruiser, three The engines need 3 things to run properly. Use of the SELECT button can also emulate the HOME button. The ECM 555 Diagnostic manual doesn't refer to any numbered fault codes that I found, so does Rinda assign the numbers themselves or what? Thanks, Scott. Also a manual gauge was put on it and it reads 2 lbs at idle and 7 lbs just rapping on the engine. 0 (or nearly 5) volt signal and a "CKT LO" fault means that. About 2 hours after the break-in was complete I pushed it up wide open throttle, made a fairly sharp turn to the port side and lo and behold got the pitot warning discussed in this set of messages. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active FUEL LVL2 CKT H Code is active Is this on an Outboard or Mercruiser stern drive type boat? All those are usually normal codes you'll see on engine applications that don't typically utilize these sensors. Pitot ckt lo Fuel level ckt 2 h Steer ckt h trim ckt lo Reply. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT HI Code is active TRIM CKT LO Code is active FUEL LVL2 CKT H Code is active N newport dave Chief Petty Officer Joined Nov 21, 2004 Messages 458 Nov 8, 2008 #6 Re: Mercruiser 496 MAG Diagnostic Port None of those codes mean anything important. What does "Pitot ckt lo" fault mean on Mercruiser scan tool on a 496 HO? Reply Subscribe. The pitot tube is the speedometer for the engine management. 2 PITOT CKT LO ------ FF Baro Pressure 14. Pitot ckt lo is a code you will get if the pressure transducer for the electronic water pressure gauge is not being used Fuel lvl ckt hi means that the gauge you are using is not connected to the engine and running thru the special harness (not a Smartcraft gauge, the harness for it would run from the sender to the motor and from the ECU to the. Paddlel wheel speed, the remote oil tank, fuel tank, and temp sensor on the paddle wheel. Paddlel wheel speed, the remote oil tank, fuel tank, and. The freezgframe memory needs to be accessed to find the 10 most recent faults. The lake was crystal clear, nothing in pitot opening. Pitot CKT Lo No No 100% Open Sea Pump PSI Lo Yes Constant 6-100% Guardian Strategy Sea Pump CKT Hi Yes 2 Bp/min 90% Open - 0 psi reading Sea Pump CKT Lo Yes 2 Bp/min 90% Voltage high or short Sea Water Temp No No N/A Defaults to --31 degreesC Fuel Level #1 No No N/A Only if turned on STB EMCT CKT Hi N/A N/A N/A N/A STB EMCT CKT Lo N/A N/A N/A N/A. TRIM CKT LO ? The trim sensor in the mid is not hooked up or failed. Codes are: PITOT CKT LO FUEL LVL HI TRIM CRT HI LIMITOR FAULT BLK PIS CRT LO It beeps approx twice per minute as well, I have done some searching and not been able to find all the codes but on some, Any help appreciated. Trim ckt hi is for the trim sending unit, but that again would not cause an alarm to go off. Fault code 94 pitot ckt lo I have an alarm going off every minute or so at idle and at speed. If the sensor itself is bad you should get a " Sea Pump CKT Hi, or Lo fault. 94-PITOT CKT LO 104-SEA TMP CKT HI 131-TRIM CKT LO What spark plugs did you put into the motor? Serial no is OT470828 Charles, Marine Mechanic 5,754 Satisfied Customers US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair Charles is online now Jason Marine Mechanic Jason Marine Mechanic … read more. It helpsprotect the engine from possible damage that could result from several faulty conditions. It still reads low on the new sensor but a manual gauge says that the pressure is good. 94-PITOT CKT LO 104-SEA TMP CKT HI 131-TRIM CKT LO What spark plugs did you put into the motor? Serial no is OT470828 Charles, Marine Mechanic 5,754 Satisfied Customers US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair Charles is online now Jason Marine Mechanic Jason Marine Mechanic read. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT HI Code is active TRIM CKT LO Code is active FUEL LVL2 CKT H Code is active N newport dave Chief Petty Officer Joined Nov 21, 2004 Messages 458 Nov 8, 2008 #6 Re: Mercruiser 496 MAG Diagnostic Port None of those codes mean anything important. 2 PITOT CKT LO-----FF Baro Pressure 14. We put a new block water pressure sensor on the engine and that didn't cure the problem. The engine is a mercruiser 5. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active FUEL LVL2 CKT H Code is active Is this on an Outboard or Mercruiser stern drive type boat? All those are usually normal codes you'll see on engine applications that don't typically utilize these sensors. pdf " H how_much New member Jun 5,. Unless you got a bad sensor it is probably a wiring problem or possibly as stated earlier a "leaky" plug cable killing the sensor. Usually, some of the error codes contain CKT for which typically means a sensor is closed (circuit high, or CKT HI, orcircuit open, CKT LO, preceded with the sensor name, water pressure, IAC, pitot sensor, etc. 3 PITOT CKT LO-----FF Baro Pressure 14. 3 PITOT CKT LO-----FF Baro Pressure 14. makomark Silver Medal Contributor Aug. pretty sure 94 PITOT CKT LO, 75 FUEL LVL CKT HI, and 130 TRIM CKT HI. My error codes are: (1) Trim CKT HI, (2) Steer CKT LO, (3) Sea TMP CKT HI, (4) Fuel LVL CKT HI, (5) Pitot CKT LO. PITOT CKT LO ? OIL LVL CKT HI FUEL LVL CKT HI SEA TEMP CKT HI ---- These are all boat sensors. Fuel pump relay code, boat will not run, common issue, I keep backup relays on my boat, and replaced the harnesses as well. Of course, my engine is running just fine, and some things, such as my trim and steering are not even hooked up to my ECM in any way. Fault code 94 pitot ckt lo I have an alarm going off every minute or so at idle and at speed. pretty sure 94 PITOT CKT LO, 75 FUEL LVL CKT HI, and 130 TRIM CKT HI. Pitot ckt lo, fuel lvl ckt hi, Steer ckt lo, Sea temp ckt hi are all optional sensors that would not cause an alarm to go off. Sea Pump CKT lo is for the engine block water pressure sensor, and that will cause a 2 beep alarm. 94-PITOT CKT LO 104-SEA TMP CKT HI 131-TRIM CKT LO What spark plugs did you put into the motor? Serial no is OT470828 Charles, Marine Mechanic 5,754 Satisfied Customers US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair Charles is online now Jason Marine Mechanic Jason Marine Mechanic … read more. TRIM CKT LO ? The trim sensor in the mid is not hooked up or failed. The workaround is to start in neutral at WOT then quickly throttle down. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT LO Code is active SEA TMP CKT HI Code is active TRIM CKT HI Code is active i test the injectors with the diacom from 01 to 04 injector test good, but from 05 to 08 i cannot test them ,the same result on the 02 engines,please let me know if you have any suggestion. Trim ckt hi is for the trim sending unit, but that again would not cause an alarm to go off. PITOT CKT LO Code is active FUEL LVL CKT HI Code is active STEER CKT HI Code is active TRIM CKT LO Code is active FUEL LVL2 CKT H Code is active Mechanic clears and they come back he thinks it is a ground problem, boat runs fine, any ideas? Answered in 57 minutes by: Marine Mechanic: Larry B. Re: Mercruiser 496 MAG Diagnostic Port. I think the fuelpump vill not stop also? Best regards. makomark Silver Medal Contributor Aug 21, 2013 #2. You should find a black four pin connector on the port side of the throttle body. It helpsprotect the engine from possible damage that could result from several faulty conditions. 94, pitot ckt Lo 75, fuel LVL ckt hi 121, tps1 ckt Lo 181, steer ckt hi 133, 5 vdc pwr Lo 131, trim ckt Lo 191, fuel LVL2 ckt h Would any of these stop it from starting? Thanks. Pitot ckt lo is a code you will get if the pressure transducer for the electronic water pressure gauge is not being used Fuel lvl ckt hi means that the gauge you are. The issue occurs in both engines, after they have been sitting for between 5 minutes to about 2 hours after use. The engine will turn over and fire up for just a second and die. I have a Mercury 525 EFI and i get code: Fault 94 PITOT CKT LO, Fault 120 TP11 CKT HI, Fault 118R CKT HI, Fault 191 L2 CKT H, Fault 191 LVL2 CKTH, Fault 75 FUEL LVL CK, Fault 118 I just bye the engine and install in it my boat.