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Old 09-15-2009, 06:55 AM
Mark Rinker's Avatar
Mark Rinker Mark Rinker is offline
Join Date: Jun 2003
Posts: 5,813

Originally Posted by Duramaster View Post
Those lines won't show much of a obstruction at idle or even at 3000 rpm's in the shop. It's more of a load thing (trailer, hill, WOT, PULL BABY PULL!)
I also inspected the supply line with the truck on a hoist, it appears fine (no obvious damage or kinks) but may replace entire supply line anyway, to rule out the possibility of an intermittent collapse... which would be nearly impossible to see unless you are under the truck when the high fuel request was happening!!!

(BTW it doesn't take WOT to trigger my P0087. It does take a fair load (12K#), warm/hot engine temps, and a reasonable climb - one that would put the %LOAD at 95% or better on the OBDII data...)
2011 Chevrolet Tahoe 5.3L daily driver
  • Previous owner of two 1994 6.5L K3500s, '01, '02, and '05 6.6L K2500s, '04 C4500, '06 K3500 dually, '06 K3500 SRW, '09 K3500HD SRW, '05 Denali
  • Total GM diesel miles to date : ~950K
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