ALDL same as OBD1?
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ALDL same as OBD1?
On a 1988 5.7 IROC is the ALDL connector the same thing as OBD1 port that's located right under the steering column? I replaced my IAC valve and read that it will need reset through the ALDL connector. Thanks for any help.
Joined: Dec 2004
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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: ALDL same as OBD1?
That is the right connector. Follow the fsm procedure to jumper the a to b and unplug the iac then set minimum idle speed. Will want to adjust the tps once set. The procedure is also listed on tgo in several areas.
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