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2003 Ford Mustang Mach I 4.6L Poor Idle Quality, Surge, MIL Lamp on
Posted to Ford Driveability on 9/4/2012 5 Replies

I do believe there is something wrong with pcm, however this low vacuum cannot be linked to this problem. It will barely move its own weight. Does not seem to have audible racket from the timing chain areas, but leaning toward pulling valve covers and ID ing t...

5 Replies Received (View Replies)

  Related Documents & Media  2003 Ford Mustang Mach I

 
Message Closed w/FIX

car Vehicle Data

2003 Ford Mustang Mach I

VIN 1FAFP42RX3
Engine4.6 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursAlways

Trouble Codes

340Cmp
Message Closed w/FIX

car Vehicle Data

2003 Ford Mustang Mach I

VIN 1FAFP42RX3
Engine4.6 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursAlways

Trouble Codes

340Cmp