Compression Ignition Addict
Join Date: Dec 2007
Location: Flint, MI
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Best way to clean a gasser EGR on a GM?
I got the EGR off my 1996 Buick Century with the 3.1L V6 Chevy SFI. And it seems to be sticking. When I manually open the valve all the way it sticks there and I have to shake it or tap it to get it to pop back out. Also when i shake it up and down something inside rattles.... it's not supposed to be like that is it?
The symptom is some bad fuel economy, surging while cruising and while cold, intermittent rough idle...
I also too the throttle off and right from the egr tube into the intake manifold, and the back of the throttle plate is black and sludgy, making it seem like it may really be sticking open on its own too.
Old Truck: 00 F350 XLT DRW: basic first few mods. S&B, 4" straight pipe, gauges, CCV, EBPV and Wastegate line deletes, LED Sills, sweet custom headlights, smoked cab lights, Ventshades, Tint.
Traded in at 196k miles.
"Brand Newish" Truck: 02 Chevy S10 2.2L 5sp. Reg cab 4x2. Badass custom made shifter, foglights, 20% tint, AVS Vent-shades, Stock Intake mods, Electric Fan conversion .
~ 95k miles.