Question about 1996 Mercedes-Benz C-Class

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How to reset engine light no codes found

Replace both ox senors air induction senors change oil spark plugs and no code detected but engine check light wo'nt go out why ?

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If the light is on, there are codes remaining. You can clear the codes, you'll need a scan tool, but if the problem isn't fixed the light will return.

On some cars you can disconnect the battery for 5 minutes and that will reset the codes, but I would recommend you DON'T do that. Use a scan tool and clear the codes properly. Good luck!

Posted on Dec 16, 2008

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Posted on Jan 02, 2017

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2001 ford taurus 3.0 v6 code p0306 misfire


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This will help.

Thanks.

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1 Answer

05 freestar sputtering and bogs when excellerating in rainy wet days. I get a miss firing on cylinder one reading from computer. I 've changed all 6 sparkplugs and wires. Also replaced mass air flow...


A P0301 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #1.

Symptoms may include:
* the engine may be harder to start
* the engine may stumble / stumble, and/or hesitate
* other symptoms may also be present

Causes: A code P0301 may mean that one or more of the following has happened:
* Faulty spark plug or wire
* Faulty coil (pack)
* Faulty oxygen sensor(s)
* Faulty fuel injector
* Burned exhaust valve
* Faulty catalytic converter(s)
* Running out of fuel
* Poor compression
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Possible Solutions:
* If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
* If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Test it and send us news.

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1 Answer

Check engine light on a acura tl '02, 3.2... fe...


You would be better served to take it an auto supply -autozone oriellys and have them pull codes. this will give you a better direction. The check engine light could mean many of codes.Spark plugs should last 8000-10000 miles. replace only parts that are defective. Could be ox senors to fuel cap not tight. Goood luck

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1 Answer

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the check enige light is on becuse computer or senor probl. not for oil change. need to check code. frist

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You say you changed the cam sensor. A1391 code is a crank sensor on the top of the trans. bell housing.

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1 Answer

Will not start


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