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Check engine light on but no codes. Roma hunt around after throttle

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Old 12-07-2016, 04:36 PM
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Car: 1988 IROC Z
Engine: 305
Transmission: L700-R4 4 speed automatic w/ OD
Axle/Gears: 2.73 gears
Check engine light on but no codes. Roma hunt around after throttle

Hey guys,

This is my first post on the forum page and I have a doozy for you all. I drive a 1988 IROC Z with the 305 LB9 motor. I started it up today and the check engine light came on. The car was idling rough and it would hunt around after giving it gas. I checked the codes but there were no error codes. Could my ECM be bad? Any help would be awesome.
Old 12-07-2016, 07:37 PM
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Car: 86 Trans Am WS6
Engine: 383 stroker
Transmission: Dynamic Racing Reverse Manual 700r4
Axle/Gears: 9 Bolt 3.45
Re: Check engine light on but no codes. Roma hunt around after throttle

Did you at least get code 12? code 12 tells you that your ecm is functioning properly, if you didn't even get that then I would suspect a failed ecm




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