Recent content by M3mphis
-
M
'03 Yukon 5.3l Random, intermittent loss of power and stall
OP here - my issue was resolved with a new crankshaft position sensor. It is a simple fix. I believe GM sells a wrench just for reaching this bad boy, because it is awkward. But you can do it without the ripoff tool, just go at it with an variety of extension lengths and a knuckle. FYI: in my...- M3mphis
- Post #27
- Forum: Performance
-
M
'03 Yukon 5.3l Random, intermittent loss of power and stall
Rivieraracing, I earnestly appreciate you responses. I took my Yukon to my mechanic this morning. They found three codes stored in the computer. Shows what a neophyte I am. I didn't think there would be any codes since the CEL had never come on. They are replacing the crank position sensor...- M3mphis
- Post #7
- Forum: Performance
-
M
'03 Yukon 5.3l Random, intermittent loss of power and stall
Not a single one.- M3mphis
- Post #5
- Forum: Performance
-
M
'03 Yukon 5.3l Random, intermittent loss of power and stall
Well, I put in a new fuel pump and cleaned the MAF with MAF cleaner. Drove on the freeway for about 25 minutes. Then it started missing and kind of jerking. Was able to jump onto an offramp and drove it into a truck stop. Left it running and tested the fuel pressure at 43psi. Turned it off...- M3mphis
- Post #3
- Forum: Performance
-
M
'03 Yukon 5.3l Random, intermittent loss of power and stall
No thoughts??????????????- M3mphis
- Post #2
- Forum: Performance
-
M
'03 Yukon 5.3l Random, intermittent loss of power and stall
This forum has helped me with several projects, so thanks for that. I'm hoping you guys might be able to give me some pointers with an issue that I'm having. I've got a 2003 Yukon 5.3L flex fuel. Two weeks ago, my wife drove to the next town over. After driving on the freeway for 11 miles...- M3mphis
- Thread
- Replies: 26
- Forum: Performance
