Question about 1998 Dodge Intrepid

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Starts to miss when it gets up to temp and givs a little puff of light blue smoke but seems like it is running lean to me

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Well the car is 12 years old. That is pretty good. The answer isn't one possibility. The two symptoms may or may not be related. The "Miss After Warm Up" could be Fuel, EVAP, or exhaust. And the blue smoke could be an over due oil change, worn rings, valves, or valve guilds. Start with a wet and dry compression test then Find out when the last tune-up and oil change was. You may want to make a list so you don't go in circles. Also right down any other symptoms that come to mind.
Do a good preliminary check, look for broken or pinched vacuum lines, broken or corroded wiring, Look it over good.
If you believe the engine is running lean then you can take steps to proof it out. Test the fuel system, make sure that it isn't leaking and that the pressure is correct. It should be around 35psi. Faulty 02 sensor/s can cause the car to run lean, a problem with the EVAP system or the timing will too. Let me know how it is going.

Posted on Apr 28, 2010

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