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1994-2004 V-8 GT, GTS, Bullitt, Mach 1, and Cobra

Mach 1 stalls AC on

Old 5/1/19, 10:22 PM
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Mach 1 stalls AC on

Hello all

I have a 2003 Mach 1 that stalls when AC is turned on when the car reaches its normal temperature. IAC, MAF & TB have been cleaned also checked for leaks and all clear. I have also changed the O2 sensors upstream. The Mach also stalls at times in stop/red lights AC off.

After the built the Mach would stall here and there while slowing down or complete stops obviously needing a tune. RPMís at idle would be around 8-9 roughly, now just before the tune my brother swap the battery and connected it backwards for a good 2 seconds. Lighter and stereo fuse are the only fuses that blew but the Mach didnít feel the same. At idle it would now be at 5-6, it would struggle more to stay on. I got the tune done but the stalling is still there I feel it stalls even more after the battery incident.

Modifications
Engine built .30 over
Camm work
MAF 90
42lbs injectors
CAI JLT
Off X pipe
Chipped and tuned


Mach1Alfred is offline  
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