Question about 1990 Cadillac Deville

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How do i check engine code for service engine soon

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IF YOU DON;T HAVE A SCANER MOST AUTO PARTS STORES WILL DO THIS FOR FREE BUT YOU NEED CODES TO KNOW WHERE TO START

Posted on Oct 16, 2010

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2004 mustang no check engine lite. fail emissions


SERVICE ENGINE SOON Indicator
The SERVICE ENGINE SOON indicator receives its signal from the PCM over the SCP network. If the instrument cluster does not receive a message from the PCM within 5 seconds, the instrument cluster illuminates the SERVICE ENGINE SOON indicator and log a diagnostic trouble code (DTC).
The blub is probably burnt out , pull the instrument cluster an replace the blub .

Mar 11, 2016 | Cars & Trucks

1 Answer

Engine Service Soon Light On code P0154


Error Code: P0154
Description:
Heated Oxygen Sensor (HO2S) 1 , Bank 2 - No Activity Detected
Problem areas:
- Wiring.
- Open circuit in signal wire, between Heated Oxygen sensor 1, Bank 2 and ECM. (Must check and confirm)
- Heated oxygen sensor (HO2S).
- Engine control module (ECM).

Nov 20, 2013 | 2003 Mitsubishi Montero Sport

1 Answer

I have a 2001 mustang bullitt that is showing service engine light on. Took it to mechanic and he put 2 different machines on it to show code for problem. No codes coming up and he can't turn off the...


There is a diagnostic procedure in the factory service repair manual for engine light lit ,no codes . Did you take it to ford dealer ? MIL - is referring to check engine , service engine soon etc...
  • MIL always on when engine is running (no DTCs):
  • MIL circuits
  • For Focus, Mustang, Town Car, Continental, LS6/LS8, Escape, Windstar, F-150, Expedition and Navigator/Blackwood:
  • Instrument Cluster, Section 413-01 of the Workshop Manual.
  • All Others:
  • GO to NB1

SERVICE ENGINE SOON indicator After the engine is started, the SERVICE ENGINE SOON indicator will prove out for a duration of three seconds. If the instrument cluster does not receive a message from the PCM within five seconds, the instrument cluster will illuminate the SERVICE ENGINE SOON indicator and log a diagnostic trouble code (DTC).

  • An indicator is inoperative/always on - SERVICE ENGINE SOON
  • Circuitry.
  • Bulb.
  • Instrument cluster.
  • PCM.
  • GO to Pinpoint Test P .

PINPOINT TEST P: AN INDICATOR IS INOPERATIVE/ALWAYS ON - SERVICE ENGINE SOON CONDITIONS DETAILS/RESULTS/ACTIONS P1 CARRY OUT THE INSTRUMENT CLUSTER SERVICE ENGINE SOON INDICATOR ACTIVE COMMAND Trigger the HEC active command MIL.
  • Did the SERVICE ENGINE SOON indicator illuminate?
Yes REFER to Powertrain Control/Emissions Diagnosis (PC/ED) manual.

No INSTALL a new instrument cluster; REFER to Instrument Cluster . CLEAR the DTCs. REPEAT the self-test.

Jul 18, 2017 | 2001 Ford Mustang

1 Answer

2001 Bonneville! Several weeks ago, had trouble turning the key in the ignition - sometimes would turn, sometimes wouldn't. Then the Service Engine Soon light came on and the car stalled out a few times...


Service Engine Soon came back on and the car is again stalling ????? Did you have it checked for DTC'S - diagnostic trouble code's ? Service engine soon light on , codes will be present !

Apr 20, 2017 | 2001 Pontiac Bonneville

1 Answer

1998 Ford Escort - P1405 Error code


Follow the link for help with this fault code P1405 Ford DPF EGR Sensor Circuit High Voltage Detected

I suggest you replace the EGR valve position sensor.

Mar 10, 2017 | 1998 Ford Escort

1 Answer

Ford Escort P1405 Error Code


Are you sure you have EGR flow?? Hold the EGR valve open the engine should run poorly, if not you have no flow.

May 31, 2012 | 1998 Ford Escort

1 Answer

What does the "service engine now" light mean?


Keep in mind that two warning there, Check Engine and Service Engine Soon; Check Engine means there is a malfunction... Service Soon is reprogrammable, when you change you oil.

"Check Engine" are refer to the emission codes, but not always. I suggest visit some autozone ot autoshop with scan tools or "reader code" to know exactly what fault code is stored there. With this code number we could send you additional details.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 05, 2011 | 1991 Cadillac Seville

2 Answers

2002 pontiac grand am has 2 service engine soon lights the one on the right comes on and goes out periodiclly


Usually one is a service vehicle soon and the other service engine soon. They are different. The service vehicle soon is telling you the body has an electrical issue and the service engine is telling you you have a powertrain issue. If you get the codes pulled from the engine at auto zone or another big box part store for free and post the codes we can help. This we do first. Then we can worry about the service vehicle soon.

Mar 10, 2011 | 2002 Pontiac Grand Am

1 Answer

Service engine soon stay on the ligth?


Service engine soon is telling you to check computer for trouble codes. You can sometimes disconnect battery for 10 seconds and codes will erase. It is a good idea to have them checked. Most Auto stores like Autozone will check for free. You may have to call around. Most repair shops will charge $40 to check.

Mar 18, 2010 | 2001 Oldsmobile Alero

3 Answers

Dies when started cant find check engine light


The service engine light is the check engine light. Different name for the same thing.

Feb 22, 2010 | 2002 Ford E350

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