Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1988
>>
V 2500 P/U 4WD V8-454 7.4L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Ignition System
>>
Technical Service Bulletins
Ignition System: Technical Service Bulletins
Expand All (for easy ctrl-f)
Collapse All
Customer Interest
Engine - Rough/Surges/Misfires/Code 43
Engine - Miss, Hesitation, or Roughness
PROM - Surge, Detonation or Code 32, EGR
Fuel - Diagnosis for Surge Hot/Cold, Detonation, Code 32
By Symptom
Customer Interest
Engine - Rough/Surges/Misfires/Code 43
Engine - Miss, Hesitation, or Roughness
PROM - Surge, Detonation or Code 32, EGR
Fuel - Diagnosis for Surge Hot/Cold, Detonation, Code 32
Driveability
Engine - Rough/Surges/Misfires/Code 43
Engine - Miss, Hesitation, or Roughness
PROM - Surge, Detonation or Code 32, EGR
Fuel - Diagnosis for Surge Hot/Cold, Detonation, Code 32
Erratic Operation
Engine - Miss, Hesitation, or Roughness
False instrument warning light/gauges
PROM - Surge, Detonation or Code 32, EGR
Fuel - Diagnosis for Surge Hot/Cold, Detonation, Code 32
Noise
PROM - Surge, Detonation or Code 32, EGR
Fuel - Diagnosis for Surge Hot/Cold, Detonation, Code 32
All Technical Service Bulletins
Engine - Rough/Surges/Misfires/Code 43
Engine - Miss, Hesitation, or Roughness
PROM - Surge, Detonation or Code 32, EGR
Fuel - Diagnosis for Surge Hot/Cold, Detonation, Code 32