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Forum: 2nd Generation S-series (1995-2005) Tech

12-18-2009, 11:18 PM

Replies: 7

Help? Low Octane Fule Causing a Code (P0420)

Views: 14,073

Posted By suckerpunch

Anybody? I was told to use 15-40 because of the...

Anybody? I was told to use 15-40 because of the higher mileage. 3000 miles now with no problems.

Forum: 2nd Generation S-series (1995-2005) Tech

12-12-2009, 09:03 PM

Replies: 7

Help? Low Octane Fule Causing a Code (P0420)

Views: 14,073

Posted By suckerpunch

Help? Low Octane Fuel Causing a Code (P0420)

*Fuel

I know this code is for the catalyst showing low efficiency but, I was wondering if anybody can explain why?

If I put in low octane Ill throw a code with in 10 miles.

If I put in high...

Forum: 2nd Generation S-series (1995-2005) Tech

10-25-2009, 01:02 PM

Replies: 2

drivers rear door window relay location?

Views: 866

Posted By suckerpunch

sorry 1998 Blazer

sorry 1998 Blazer

Forum: 2nd Generation S-series (1995-2005) Tech

10-25-2009, 01:02 PM

Replies: 2

drivers rear door window relay location?

Views: 866

Posted By suckerpunch

drivers rear door window relay location?

the window will only roll down about 1/4 down on its own power and then makes a electrical buzz type sound. I can force it down with my hand but, need to pull it up while using the switch. any ideas?...

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