the engines cools down cause it's not working (underload) when it cools down to a specific temp, the computer kicks the high idle back on, our 2000 powerjoke does the same thing
the engines cools down cause it's not working (underload) when it cools down to a specific temp, the computer kicks the high idle back on, our 2000 powerjoke does the same thing
07 GMC CC SB LBZ
70 monte carlo, original 4 spd, bench seat
71 monte carlo SS clone, street/strip
97 grand am, beater
This function wastes LOTS of fuel. I am limiting warmup time, and starting and stopping the truck even during short stops, instead. The idle is too high, the air brake noise too loud if in my residential driveway at 5:30 AM, with neighbors still sleeping.
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
On the 2500 you can disable it through the DIC. Don't know if you're so lucky...
The Constitution needs to be re-read, not re-written!
If you can't handle Dr. Seuss, how will you handle real life?
Current oil burners: MB GLK250 BlueTEC, John Deere X758
New ride: MB GLS450 - most stately
Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510
DIC-less.
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
Yes there is a PTO throttle control switch. Since I don't have a PTO system, it doesn't get much use. The first trip out with the truck, I bumped it and it took me awhile to figure out why my truck wouldn't go very fast...
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
The PTO switch does override the high idle. Thanks for the info, DMax its always fun to learn a new trick...
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
my '05 5500 lly does the same thing. when I start it it runs for a min then bumpes up to 1200-1500rpm until it reaches normal temp then drops to normal idle. if it cools off(idling in -20) it will bump back up to make heat. I thought it was a bit fast for a cold motor to, but its a normal thing so I figured oh well.
Main rig-1978 chevy 3/4 f/t 4x4 8" lift 38 14.5 16 toyo m/t's. BUILT 350(soon to be 6.2) quad batteries. front and rear 15k winches. lockers F/R. dana60 front full float corp 14 rear. th400/np203.
donor rig. 1988 GMC K3500 140k miles, th400. IFS(read CRAP) semi float 14 rear. drove it 142 miles home at 17mpg and 1/4 quart of delo 400.