Question about 1988 Oldsmobile Delta 88

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Service engine soon light comes on and goes off

Conected gm code reader code 41 and 43 comes up but my 1988 oldsmobile seems to run alright can you tell me what to look for if there is a problem. This car has original 38000 klm. Thank you

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The service engine soon light comes on for many reasons..it could be as simple as CO2 sensor, or it may just be one of the lights that just stays on, ask your local GM garagre to reset the code for you..maybe cost you a couple bucks.

Posted on Dec 31, 2008

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When the service engine soon light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.

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I am assuming its not the service engine soon light it is probably the service vehicle soon light, There are 2 lights service vehicle soon upper left side, and service engine soon upper right side.

When all these come on at the same time it is the wheel bearing sensor. Usually the wheel bearing needs to be replaced which houses the sensor. A sure way to check is to press your sls button by your shifter and see if the light goes out, If it does not, u will need to have a wheel bearing put in.

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When I start my 2001 alero the anti-lock, traction light, service engine soon, service vehicle soon lights all stay on all the time. But my car seems to be running fine. Why is this?


the anti-lock and traction lights will come on together if there is a common problem with the two, since they are closely related. may be a wheel speed sensor or something similar. the service engine soon light indicates a problem with the engine computer, can be anything from an emission system problem or an engine performance problem. all of these lights can come on with no apparent running problems on the car. the service vehicle soon light is basically a maintenance reminder, an oil change light. take the car into a shop and have the codes read for these lights.

Feb 23, 2010 | 2001 Oldsmobile Alero

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I replaced the transmission in my 1998 oldsmobile intrigue and now the service engine soon, abs ans tcs lights won't turn off. I have had diagnostics run on it and no codes are found on the computer. I...


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When i start up my car the service engine soon light comes on and stays on, it also sometimes on days go out and stay out the longest 1 week and comes back on when i drive fast or go over and hit to many...


ok you service engine light is you computer telling you that something is not right.
try unhooking your negative on your battery ( that resets the codes) if this persists then invest in a code reader, let me know what codes come up

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