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Drives

Found 9 results

  1. Hi all, Long time lurker who finally created an account. Y'all have been a wealth of info and I really appreciate it. I have a 2001 Tahoe LT Autoride with the 5.3. My father-in-law bought it new and I bought it from him when he upgraded to a 2019 Tahoe Premier. I've been going through the Tahoe since buying it from him. It was always maintained at the dealer and serviced at every interval. The issue I am having now is a hard start when cold. It takes at least 2 cranks to get it started in the morning or after a long period of not driving. I have searched the f
  2. 1997 5.7 Vortec intermittent slow start revisited. Short version: I have a 1997 Express with a 5.7 Vortec and the CSFI system. It has 130k miles. It is hard to start after sitting. If I pulse each of the fuel injectors with an injector tester then it starts right up. Problem description is mostly in next post. The test procedure that makes it start is in the third post.
  3. So I have a 2106 3.6 Colorado. She's been flawless for 65,000 miles. Now I have two issues that I hope are related. With the absence of codes I'm looking for anyone who may have had a similar experience. After refueling when the tank is real low (reserve light on) she cold cranks for several ignition switch cycles before starting. This ECM has not thrown a code to date. No CEL. This only happens after refueling when the tank was really low. Kinda scary 500 miles from home. Maybe a stuck evap solenoid? About the same time this started, I started to get a low idle stumble after running at in
  4. Please help!! 2008 GMC Sierra. 4.8. Replaced fuel pump and FSM last year. Replaced evap solinoid last week. Truck doednt want to start. Turns over on first try. Then starts on second try. Could it be a fuel sensor on fuel rail?
  5. Please help!! 2008 GMC Sierra. 4.8. Replaced fuel pump and FSM last year. Replaced evap solinoid last week. Truck doednt want to start. Turns over on first try. Then starts on second try. Could it be a fuel sensor on fuel rail?
  6. My 2011 Sierra, 169K miles old, just started to stumble on cold starts about 2 weeks ago. Today I got the P0175 code. There's plenty of troubleshooting to do for that code and I'll start on it asap (it's cold in MI). This is the first issue I've had with the motor ever and am wondering if one event could be causing this. About 5 weeks ago I inadvertently filled up with 93 octane. That was the first time in 479 fuel fill ups that I've deviated from 87 octane. The motor has always started on the first turn whether with key or remote start since new. But in the past month it takes a couple of tu
  7. Hey guys, I'm new to the forum and looking any suggestions on a problem that has me stumped with my avalanche. It has a hard start condition. It seems to be related to the outside temperature. I didn't do it all winter and started back as the weather warmed up. It starts fine if the engine is completely cold and it starts fine if you crank it within about 15-20 minutes after cutting it off. If I cut the truck off and let it sit for two hours and try to start it it cranks for several seconds before starting. it's a 2004 with the 5.3. It doesn't have an inline fuel filter or a fuel pressure regu
  8. My 99 with 5.7L is really hard to start when it has been sitting for a few days (usually at least 3 days). It cranks over, but seems to run into resistance each time around. If I crank and hold it for about 5-10 seconds, it will fire, but what seems like only on a couple of cylinders, then dies. Sometimes, it seems to backfire. If I keep trying, It *does* eventually start (just the other day, I think it took about 20 tries over a few minutes to get it to start. Once it starts, it runs rough for about 10 seconds, then runs fine. I've checked the fuel pressure and it's fine (about 60 PSI),
  9. Does the 99 5.7L Vortec have a cold-start injector to help get the engine going when it's been sitting overnight or for days and days? My older car has one and I'm having a hard time starting my Yukon after it's been sitting for a few days, so I'm just wondering what is supposed to give the engine that little bit of extra fuel when you're starting it cold?
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