Operation CHARM
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Chevy Truck
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1988
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R 20 P/U 2WD V8-454 7.4L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Ignition Timing
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Technical Service Bulletins
Ignition Timing: Technical Service Bulletins
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Customer Interest
PROM - Surge, Detonation or Code 32, EGR
By Symptom
Customer Interest
PROM - Surge, Detonation or Code 32, EGR
Driveability
PROM - Surge, Detonation or Code 32, EGR
False instrument warning light/gauges
PROM - Surge, Detonation or Code 32, EGR
Noise
PROM - Surge, Detonation or Code 32, EGR
All Technical Service Bulletins
PROM - Surge, Detonation or Code 32, EGR