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1999 Chevrolet Blazer 4.3L Surge, Cuts out, MIL Lamp on
Posted to GM Driveability on 6/15/2004 10 Replies

Hey Guys (&Gals) Gotta pick your collective brains. Above vehicle has sevear hesitation only in drive. When this occurs the reference voltage to the TPS, as well as EGR, Fuel Tank Preshure Sensor etc drops to 1 volt or below. This will only occur in Drive,3,2,...

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  Related Documents & Media  1999 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W1X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge, Cuts Out, MIL Lamp On
OccursUnder Load

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W1X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge, Cuts Out, MIL Lamp On
OccursUnder Load

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected