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2004 Chevrolet Trailblazer LS 4.2L Compression/Oil in Cylinder
Posted to GM Engine on 9/23/2008 13 Replies

This vehicle came in for a rough run. P0300. Customer replaced plugs with bosch platinums. I replaced plugs and it ran better but still missed.

I current amped coils and #3 showed no current limit. So, I replaced the coil and it got better but still has a mis...

13 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Trailblazer LS

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNDS13S64
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCompression/Oil in Cylinder
ConditionsRuns Rough
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNDS13S64
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCompression/Oil in Cylinder
ConditionsRuns Rough