Join Date: Mar 2008
Location: Wichita Falls
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I have the following symptoms in my truck: It starts fine in the morning or any time really, even when it is 35 outside. But after it starts the voltmeter jumps right up to the normal position but then flutters. After a few seconds it then drops down like the GPR kicked in. After a while (normal GPR cycle duration) it jumps back up and everything is normal. Connections going to the GPR all look good and tight. Only does this when the truck is cold.
I am now trying to figure out if the GPR is bad, going bad (i.e. only working intermittent) or if something else is going on. I got brand new batteries, alternator is not even 6 months old and the batterie cables and connections are brand new. So who can tell me what controlls the GPR, what tells it to kick in? Is it the PCM? If so, could my Edge Evo have anything to do with it? Any help would be appreciated since I need it to start in the mornings as my other truck's engine is out right now for a rebuild...
Wow, this got longer than I planned, sorry....
1997 F350 Crew Cab Dually 2WD PSD 5 Speed Short Range Manual
3' downpipe, Kitty delete, DIY NAPA Filter Intake, Edge Evo Programer on Lvl 1 for MPG