2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

need help s4 with s5 motor

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Old Sep 22, 2009 | 11:46 PM
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mig82rx7's Avatar
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From: del rio tx
need help s4 with s5 motor

motor turns over and runs for a couple of seconds then dies i got it to stay idle but when i give it throttle it hesitates and dies i looked for vacumm leaks but cant find any im stummed any sugestions?
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Old Nov 7, 2009 | 05:56 AM
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From: louisville ky
mine does something similar.. but only since i have fixed my exhaust leak
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Old Nov 7, 2009 | 02:52 PM
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You're going to have to give WAY more info if you want someone to guess what the problem is.

S4 wiring? S5 wiring? S4 or S5 electronics on the engine? What else changed, etc....
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Old Nov 8, 2009 | 09:08 AM
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From: louisville ky
i have a 87 ecu n wiring with a 91 engine and tranny ran great untill i welded up the exhaust leak then it starts then almost imediatly dies
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