Question about 1988 Buick Reatta

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Where is the plug to plug a scanner in on a 1988 buick reatta

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The diagnostic port on the '88 Reatta is located under the driver side of the dash to the right of the steering column. Very cool car by the way.

Posted on Jan 03, 2011

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Enter Diagnostic mode by selecting climate on multifunction display(MFD).
Put one finger on (off) and one finger on (warm) and hold them there til it beeps. Service engine light will continuously flash on cluster and service mode on display starts. select no. ECM? will display. Hit yes. ECM Data? Hit yes. All sensors output can be cycled through by touching (no). O2 output should fluctuate almost all the time. TPS will show up, spark advance, ESC sensors. Fuel injector spray pattern. I guess my point is: a Reatta came with its own scanner.

Posted on Jan 03, 2013


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