Question about 1994 Ford Mustang

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When i start my 94 mustang it chugs for about a minute then it is fine. i think its a sensor somewhere but im not sure

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U may have a defective fuel pump check valve, if this is the case the system looses pressure after the engine is shut off and then causes this problem u are having. to check this u must hook up a fuel pressure test gauge the fuel pressure test port on the top of the engine, it looks like a metal tire valve, this gauge cost's around $20.00 and is well worth the money, after the gague is screwed onto the test port run the engine and record the fuel pressure reading, then shut the engine down, the pressure should remove close to the running reading, if it drops more than 3 PSI you have a problem and need to replace the fuel pump which is located inside the gas tank.

Posted on May 11, 2009


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