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Showing results for tags 'runs fine then stalls'.
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i had it scanned came back knock sensor and low fuel pressure. replaced knock sensor and fuel pump light went off but symptoms still there. it will idle fine for sometimes 1/2 hour then start to stumble. a little hesitant when i hit the throttle. maf sensor? will it throw a code because im not getting a light. i just bought this car and i hate to think it is a major . it ran fine on a 7 mile test drive. i haven't done any tuning yet. last week while it was running i tapped on the maf sensor and the car died, i unplugged it and the car died. i did clean the motor and now it seems to run worse. while under the car it looked like i may of had an exhaust leak between the exhaust manifold and motor but i wasnt sure if it was just residue from the motor cleaner. or mabe the cat is backed up. i just dont know!