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Post Info TOPIC: Car stalls, misfires, and will not idle


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Posts: 25
Date:
Car stalls, misfires, and will not idle


Whats going on hopefully someone on here can steer me in the right direction
I have an 88 gt recently sent on the block to get rebuilt bored to a 306 all new parts including pistons new e cam, edelbrock aluminum heads, 1.7 rockers holley systemax intake. I converted the car from speed density and used the granitelli maf conversion kit and used the cobra computer and 24 lb injectors.
Timing is set at stock 10 degrees before tdc.
When starting the car with maf sensor plugged in car barely runs have to pump gas to keep running and i hear a popping coming from the intake.
When unplugging maf connector vehicle sometimes holds idle but still runs like shit.
Took the car for a ride around the block and vehicle lacks in power and wants to stall when coming to a stop. Thinking it could be something with timing and or vacuum leaks just wondering if anyone has any advice about this issue or a good mustang shop that could diag whats going on. Sorry for the long story Thanks for anyones input.

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Fred Wilson


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Posts: 1726
Date:

check the valves, too tight adjust the rockers

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Posts: 4122
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first things i would check
fire order
all plugs/connections are plug in correctly
check for vacuum leak
timing
bad/old gas
tps
iac

the list can go on

is the check engine light on???
any codes??




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Posts: 25
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Will double check all those things thanks for the advice
will post when resolved. Thanks

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Fred Wilson


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Posts: 489
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spray brake clean around the intake and see if the idle goes up at all. sounds like a vaccum leak or valvles or dizzy off a tooth

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Posts: 55
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^ or the MAF is not wired correctly. Did you have to splice into the current wiring harness and move any pins around?

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DMC Racing 781-294-7200


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Posts: 25
Date:

im going to try and check for any vacuum leaks
im pretty sure the maf sensor conversion went well i didnt move around any of the wires that werent suppose to be touched. I do have power to the MAF sensor, Any other input would be good tryna get this to the track before it closes. Thanks everyone.

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Fred Wilson
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