1986 Mustang GT with engine miss and hestiation! Bad EGR? Need help, thanks!!
Hi everyone, while cruising, my engine seems to miss, feels like a spark doesnt go off, its a full-msd ignition (6AL, coil) and I read that it could be the EGR because it doesnt happen when im a WOT. What you guys think??
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" Real cars don't power the front wheels, they lift 'em."
I ran on 7 cylinders when I got this mustang for about 1 month, and didn't even know.
I took it to a guy to talk about fixing it up a bit. He listened to it, and said the first thing we have to do is get rid of the miss.
It was very apparent to his trained ear. He took some good spark plug wires, and tested what cylinders he thought it came from by pulling a plug wire, and changing it. I had allot more power afterwards. A wire was bad.
DSS 331 stroker, AFR 185 heads, Performer rpm 2 intake, Accufab 75 mm race TB, 30lb injectors, 80 mm Pro-M mass air, Extreme energy cam 266.
Anderson ford power pipe the big one, Ford motor sport shorty headers, Bassani x pipe custom cat back with flows, World class T5, center force duel friction clutch.
thanks!!! Im so happy people are here to help!! yeah im sure im running on all cylinders because under WOT its good, but how, in case, should I check for a bad wire?? Should I get the longest one, make sure its good, and check the others?? And when the cars cold its fine, its when its warmed up when it starts to hesitate of normal throttle and load.. I will check to see if the EGR is clogged, whatever the problem is, ill let you know, but please keep giving your input.
Thanks!!
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" Real cars don't power the front wheels, they lift 'em."
easiest way ive done it to check for a bad plug wire is to take 1 plug wire off at a time at the plug. if the idle changes the wire is good, if it does not change then the wire is bad.
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84 Predator Mustang GT302R [Gone]
89GT: built fairly good (sold)
92LX: 4cyl to 5.0 conv. completed on the cheap (sold)
88GT: 302/AOD,stock 2.73's and traclok, LT's, custom 2 1/2" exhaust made by me with thrush chambered mufflers dumped at rear axle, hayden electric fan..more to come, daily driver.
You didnt get shocked?? Ive been shocked when I pulled my coil wire off ( I locked the keys in the car with it running lol ) and I shocked the shi* out of my poor little finger, I almost cried!! I boght some throttle body cleaner so im gonna try and clean the egr, ill keep you posted, but please keep the info coming, i appreciate you guys so much, anyone have/had any EGR problems??
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" Real cars don't power the front wheels, they lift 'em."
You didnt get shocked?? Ive been shocked when I pulled my coil wire off ( I locked the keys in the car with it running lol ) and I shocked the shi* out of my poor little finger, I almost cried!! I boght some throttle body cleaner so im gonna try and clean the egr, ill keep you posted, but please keep the info coming, i appreciate you guys so much, anyone have/had any EGR problems??
<--- gotta do that when you get bit lol. no, the only time i got shocked was from an HEI dizzy from a chevy. it "shouldnt" shock you if you do it at the plug. i never got shocked on a ford "yet" lol. my egr valve kinda did what your describing but i unhooked it before it blew the diaphram so i couldnt tell you if that was my original prob or not. if you dont trust the ignition system enough to get shocked lol get a pair of leather gloves
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84 Predator Mustang GT302R [Gone]
89GT: built fairly good (sold)
92LX: 4cyl to 5.0 conv. completed on the cheap (sold)
88GT: 302/AOD,stock 2.73's and traclok, LT's, custom 2 1/2" exhaust made by me with thrush chambered mufflers dumped at rear axle, hayden electric fan..more to come, daily driver.
1986 Mustang GT with engine miss and hestiation! Bad EGR? Need help, thanks!! 
<--- gotta do that when you get bit lol. no, the only time i got shocked was from an HEI dizzy from a chevy. it "shouldnt" shock you if you do it at the plug. i never got shocked on a ford "yet" lol. my egr valve kinda did what your describing but i unhooked it before it blew the diaphram so i couldnt tell you if that was my original prob or not. if you dont trust the ignition system enough to get shocked lol get a pair of leather gloves
