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Old 05-07-2018, 11:54 AM   #1
stangmach104
Registered User
 
Join Date: Jun 2005
Location: Minneapolis, MN
Posts: 120
Hesitation at cruising speed

Hey guys I’m having a hesitation problem. It started last year and got so bad that the car wouldn’t idle for more than 19 seconds without stalling. Replaced the MAF sensor and the IAC and got it to stop stalling last fall. Took the car out for the first time this spring today and it’s still hesitating at cruising speed. Doesn’t do it right away but when it starts it does it every 15-20 seconds and only for about a second. I’m replacing the spark plugs and checking all the coils this week along with inspecting all the cop harnesses and injector harnesses. Anything else I should check for? Fuel filter has also been changed. Thanks for any help.
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#6690
Forged Short Block built by myself, Procharger D1SC
Stage 2 s/c cams, Custom o/r x-pipe
Flowmaster Cat Back, Mid-Length Headers
2 Walbro 400lph pumps on return style system
95# Fuel Injectors
10% O/D Balancer, AFM Power Pipe
630 rwhp 531 rwtq
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