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2001 Chevrolet Impala 3.4L MIL Lamp on, fALSE CODE???
Posted to GM Driveability on 11/16/2005 15 Replies

I'm getting too old and/or too dumb for this line of work.

I have an'01 Impala 3.4 that sets P0401 as soon as it gets a couple of blocks away; didn't think it would even run test that soon. Are there known reflash issues with these, or hidden TSB's, or am I j...

15 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala

VIN [No VIN Available]
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, False Code???
OccursAlways, Immediately
Misc.4Dr, Well Kept, Atermarket Sunroof & Stereo Only Non-Stock Parts

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala

VIN [No VIN Available]
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, False Code???
OccursAlways, Immediately
Misc.4Dr, Well Kept, Atermarket Sunroof & Stereo Only Non-Stock Parts

Trouble Codes

P0401EGR System Insufficient Flow Detected