LEMON Manuals
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GMC
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1991
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Forward Control 6.2 J, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/O Codes
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Symptoms (Diesel)
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Engine Will Not Idle
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Engine Will Not Idle
ENGINE WILL NOT IDLE
Possible Cause
Correction
Linkage binding or misadjusted.
Remove binding and readjust linkage.
Restricted air filter.
Check and/or replace air filter.
Defective injection pump.
Replace injection pump. See I - SYS/COMP TESTS article.