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Posted on Oct 22, 2008
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Mass air flow and cam position sensor?

I replaced both of them and the car still has a light on.ran good for about 20 mins and then the light came back on with the same codes.replaced the cap and rotor also.no oil in the anti freeze or vice versa.i sprayed all around the intake no smoothing out.what the heck next????

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  • Master 1,586 Answers
  • Posted on Oct 23, 2008
Anonymous
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Joined: Jul 21, 2008
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What codes are you getting? If you post them here I can try to help you narrow down the problem. What symptoms are you seeing in the car's operation?

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Bucking engine

Check the fuel pressure,also change the fuel filter.check the crankshaft sensor,or replace.It sounds more like the tps sensor(throttle position sensor).It is mounted in line with the throttle axle,on the throttle horn.Of course .with out being there and checking I am just guessing.But map sensor or mass air flow sensor could also cause this.Have you checked the air filter?This will cause the problem,if it is stopped up restricting air flow to engine and mass air flow.,map sensor,and vacuums needed to run the car.If I can help,let me know.
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