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1998 Chevrolet P30 7.4L Poor Idle Quality
Posted to GM Driveability on 12/21/2010 9 Replies

hello I have a 1998 chevy 7.4 fuel injected with allison 545 has a banks power pak headers and air filter no electronics modified. this is in a class A motor home. intermittent power loss. when driving i can step on the accelerator quickly to wot it performs w...

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  Related Documents & Media  1998 Chevrolet P30

 
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet P30

VIN 1GBMP37B9W
Engine7.4 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursUnder Load, Intermittently
Misc.Newmar Mountainaire Class a Motor Home

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet P30

VIN 1GBMP37B9W
Engine7.4 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursUnder Load, Intermittently
Misc.Newmar Mountainaire Class a Motor Home

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage