Recent content by RD Joe

Thanks for that. So, in short, these fly-by-wireless throttle bodies are really sensitive to dust and dirt. I'm an engineer, so I get the technical stuff, and I have a pretty good history of building 2- and 4-stroke motorcycle racing engines and old- and new-school high-performance and racing...

Thanks for the heads-up; I'll clean the TB while I'm in there. It's funny because that idle stumble is very intermittent; the last time it happened was like 3 or 4 months ago. The air filter is clean, and other than this recent problem this truck cruises like a dream and runs like a scalded...

Hey all, long time lurker, first time poster. This is my '03 Envoy SLT 4.2 w/3.73 rear end that I got last year from my uncle's estate when he passed away. It had 114,000 miles when I got it, now with 121,000. She's all stock except for removal of that hideous "baby coffin" resonator (had a...

Hey all, new guy here. I know this thread is older than dirt, but I used it along with a few others for research on the topic before I tackled the cooler swap. I've got an '03 Envoy SLT with 120,000 miles, and, as happened to many of you, the PS fluid cooler rusted out. I went with the Dorman...