change tps sensor and it still gives the same problem when it is idling or in neutal or park

Asked by May 01, 2014 at 02:45 PM about the 2002 Dodge Caravan Sport

Question type: General

when it is running on the road no problems as it just keep runnin but when it stops and idles it reves high then low then high then low.. is if suckkin air or something can you help plz

1 Answer

1,645

You may have a Vacuum Leak. May need a smoke test from Garage. They will pump smoke into vacuum lines and find the leak. If your hearing hissing sounds that is a broken vacuum line. Another way to test is run the engine and use a can of starter fluid (Be Careful) but spray along the carb and see where the engine races and you can find the broken line. again be careful I'm not telling you to do that part. Just don't want to get anyone hurt.

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