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#1
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Idle surge HELP!!
OK here it is I have an 82 capri (yea I know its not really a mustang but the fender flares look cool) with a 302 sefi and aod out of an 88 tbird in it. It has a real bad idle surge . I have replaced the tab the egr and sensor and the ics no luck. I feel like I am throwing money in the gas tank for no good reason. If I disconect the egr vacum line the idle jumps up to 2000 but smooths out. If I disconect the tab connector it smooths out but I have to hold the throttle part way open or it stalls. Help I am running outa money to throw at it.
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#2
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Look for a vacuum leak and /or a switched vacuum line. Look for a vacuum diagram on the radiator shroud and check connections. Make sure the intake is not leaking. Good Luck.
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NOTHING LIKE AN OLD CAR. |
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#3
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Definately look at the BAP sensor vacuum line.
Does the car buck and surge down the road, and does it run well at WOT? Definately sounds like a vacuum problem. Another way to test it is to fire the car up, let it idle, if you can and open a propane torch, just the gas but don't light it. Move it around the engine compartment slowly near vacuum lines and what not. If the engine repeatedly revvs when you hold it at a certain point, you probably have discovered a leak.
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2002 Mustang GT Coupe 1993 Yamaha FZR 600 |
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#4
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Yes it is like a wild bronco when coming own from speed...
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#5
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Have you gotten this straightened out yet? I have an 87 Bronco 302 with the same problem. I've had the problem for about 4 years now but its gotten really bad really fast.
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