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Code 36, L98, '88 GTA

Old Dec 23, 2016 | 11:51 PM
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Code 36, L98, '88 GTA

Hello, I have a 1988 GTA with the L98 motor in it, going on 80k miles. I have an intermittent code 36 SES light, and it comes with a rough idle and if I drive it a bit and I don't warm it up every three hours it has a hard time starting. If I let it sit overnight it starts decently well but still not perfect and still idles like crap (usually varying between 500-750 RPMs, or jumping between 2 and 3 lines on my digital dash). The idle gets worse when it warms up, but it has to stay warm or else I have a hard time starting it. I've tried using another MAF sensor, and I replaced the power relay, and it also has a new matching computer in it. I can't find a burn-off relay that will fit my '88. Anyone have the part number so I can pick one up at O'Reilly's? Thanks!
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Old Dec 24, 2016 | 09:10 AM
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Car: 1967 Camaro, 91 z28
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Re: Code 36, L98, '88 GTA

https://www.thirdgen.org/forums/tpi/...nces-they.html
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Old Dec 24, 2016 | 10:47 PM
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Re: Code 36, L98, '88 GTA

Thanks for replying. I've read through that thread before but I couldn't find a definitive answer. I looked through the post describing the wires from the relays to identify them and for my car it goes (from fender to engine) burnoff, power, then fuel pump. HOWEVER, my fuel pump is a square relay and my burnoff and power relays are oval and I can't find a part number for the oval one unless I missed it which is a huge possibility...
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Old Dec 24, 2016 | 11:00 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Code 36, L98, '88 GTA

Last post of that thread !

ACDELCO 158240 15-18240
{#14089936, 14103304} GM Original Equipment
5-PIN OVAL SHAPE


Last edited by Tuned Performance; Dec 24, 2016 at 11:14 PM.
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Old Dec 24, 2016 | 11:20 PM
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Re: Code 36, L98, '88 GTA

Oh, of course it'd be the last post. Thanks! I'll try it out
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