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2001 Chevrolet Blazer Xtreme 4.3L MIL Lamp on
Posted to GM Driveability on 10/25/2007 3 Replies

i have this blazer in the shop that keeps showing codes po449 and po452. i can clear the codes but they come back as soon i clear them .i have replaced the fuel pump module and pressure senso with dealer [...] time i try to cut the vent valve on and off with m...

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  Related Documents & Media  2001 Chevrolet Blazer Xtreme

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Blazer Xtreme

VIN 1GNCS18WX1
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0449PCM Internal Fault
P0452Fuel Tank Pressure Sensor Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Blazer Xtreme

VIN 1GNCS18WX1
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0449PCM Internal Fault
P0452Fuel Tank Pressure Sensor Circuit Low Voltage