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I have been having an issues for sometime with my 2004 Colorado I-5 truck. Turck has about 114,000 miles on it. Here are the symptoms followed by what I have done to correct the issue. So far nothing has worked.
Usually this only happens when the truck is hot. In the morning it starts ok and after it has been setting for a while it will start ok.
Go to get in the truck and turn the key and the engine will crank (turn over) and try to start. As soon as it fires off it will die. I do this over and over sometimes as many as 10-15 times and vehicle will not start. When and if it does finally start it sounds horrible. it will barely run almost like it is out of time or missing. After a period of time usually 10-15 seconds it will finally line itself out and run fine. Below I have listed the things I have done to try and fix the issue with no luck so far.
The issue described above existed before all of the below changes and continues to this day.
1. Replaced Spark plugs and cleaned throttle body, about 5,000 miles ago.
2. Replaced Fuel Filter
3. Replaced the Cam Shaft Actuator / Solenoid. (Not sure if this is what it is called) It is the part on the front of the engine near the top passenger side.
https://drive.google.com/file/d/0B8H-_PNQeX6VQ0FaYTlpVW1wM2M/edit?usp=sharing
4. Replaced the fuel pressure regulator.
None of these have worked or corrected the problem.
I am at a loss and any help or suggestions would be greatly appreciated. I know I cant be the only colorado owner who has had this problem...
Usually this only happens when the truck is hot. In the morning it starts ok and after it has been setting for a while it will start ok.
Go to get in the truck and turn the key and the engine will crank (turn over) and try to start. As soon as it fires off it will die. I do this over and over sometimes as many as 10-15 times and vehicle will not start. When and if it does finally start it sounds horrible. it will barely run almost like it is out of time or missing. After a period of time usually 10-15 seconds it will finally line itself out and run fine. Below I have listed the things I have done to try and fix the issue with no luck so far.
The issue described above existed before all of the below changes and continues to this day.
1. Replaced Spark plugs and cleaned throttle body, about 5,000 miles ago.
2. Replaced Fuel Filter
3. Replaced the Cam Shaft Actuator / Solenoid. (Not sure if this is what it is called) It is the part on the front of the engine near the top passenger side.
https://drive.google.com/file/d/0B8H-_PNQeX6VQ0FaYTlpVW1wM2M/edit?usp=sharing
4. Replaced the fuel pressure regulator.
None of these have worked or corrected the problem.
I am at a loss and any help or suggestions would be greatly appreciated. I know I cant be the only colorado owner who has had this problem...