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#1
08-09-2003, 04:51 PM
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Fault Code 42
My 92 Cavalier has a problem. The engine light comes on frequently.
When I extract the fault code, it flashes 42, which the Haynes books says is something to do with a connection problem between the computer and the ignition module. Has anyone out there had this problem and how was it rectified? Thanks Jim Baker 
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#2
08-09-2003, 08:34 PM
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Two things cause this code.
1. A bad ECM. 2. A bad ignition module. One of the two will cure your problem.
__________________
Shop Foreman Buick Pontiac and GMC dealership ASE Master Tech ASE Advanced L1 GM Master tech Licensed Aviation mechanic
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