My 2006 Colorado (2.8 inline 4) wants to take off when I put in in reverse. I seem to be fighting to hold it back. I noticed that it is not as much of an issue once the vehicle warms up. After is sits for only a little while though, I have the issue. I have a long, sloped, icy drive during the winter. Do not want to crash into the side of the house because of having to fight the truck. What could be causing this issue?
06 Colorado, surge
- Thread starter otis24
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A couple of questions:
Are you firing it up and popping it in reverse right away, or giving it a minute to get smoothed out?
Do you back out of your driveway every day?
Did you recently do any work on the truck?
It could be that a vacuum hose was unplugged. It could also be that the engine coolant temperature sensor is on the way out.
Also, check your floor mat to make sure it's not doing the Toyota/Lexus thing where it's hung up on the accelerator pedal
If you have an AutoZone nearby, have them check for codes. Some codes can be present without turning on the "check engine" light.
Is the engine speed higher now than it has been in the past?
Are you firing it up and popping it in reverse right away, or giving it a minute to get smoothed out?
Do you back out of your driveway every day?
Did you recently do any work on the truck?
It could be that a vacuum hose was unplugged. It could also be that the engine coolant temperature sensor is on the way out.
Also, check your floor mat to make sure it's not doing the Toyota/Lexus thing where it's hung up on the accelerator pedal
If you have an AutoZone nearby, have them check for codes. Some codes can be present without turning on the "check engine" light.
Is the engine speed higher now than it has been in the past?
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My cruze kind of does the same thing when it's cold. It will hold the idle at about 1,500RPM till it warms up a bit, which can create a decent amount of pull in gear.
Just purchased the vehicle around the first of Sept. Only work done was to replace a u-joint. It was doing this prior to the U-joint repair. Usually, I give it a couple of minutes to warm up. If it sits about ten minutes, this is not a problem. If I jump in and go, it wants to race away on me. Yes, I back out of the drive every day. Haven't checked to see if it does the same thing in a forward gear. Will that a try tomorrow.
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Just took the pickup to work. Father-in-law had backed it into the drive way to unload shingles. Did not want to take off as it does in reverse. Oh, manual transmission btw.
If it is a manual, I don't understand the steps you are going through to have it "fighting" you.
Are you saying that the clutch is depressed and the truck is behaving as though it was disengaged? Otherwise, I'm not sure what you are fighting. Are you trying to brake with the truck in gear, foot off the clutch?
Are you saying that the clutch is depressed and the truck is behaving as though it was disengaged? Otherwise, I'm not sure what you are fighting. Are you trying to brake with the truck in gear, foot off the clutch?
No, when I put it in reverse and release the clutch pedal, the vehicle wants to take off without me accelerating. I really have to ride the brake to keep it from getting away.If I do have to brake, it takes a lot of brake to bring it to a stop. Also, have to keep one foot on the clutch pedal so I can disengage it quickly if needed. Again, once it warms up, no problem.
Leads me to believe something is sticking or or not working properly when the vehicle is cold.
Leads me to believe something is sticking or or not working properly when the vehicle is cold.
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Originally Posted By: otis24
No, when I put it in reverse and release the clutch pedal, the vehicle wants to take off without me accelerating. I really have to ride the brake to keep it from getting away.If I do have to brake, it takes a lot of brake to bring it to a stop. Also, have to keep one foot on the clutch pedal so I can disengage it quickly if needed. Again, once it warms up, no problem.
Leads me to believe something is sticking or or not working properly when the vehicle is cold.
Sounds like normal operation to me. Reverse gear is taller than first gear and thus will make the vehicle want to move at whatever speed its gearing allows at that engine speed. When it's cold, engine speed is higher and thus the vehicle will travel faster.
Try putting it in 2nd when it's cold and see how fast it tries taking off on you.
No, when I put it in reverse and release the clutch pedal, the vehicle wants to take off without me accelerating. I really have to ride the brake to keep it from getting away.If I do have to brake, it takes a lot of brake to bring it to a stop. Also, have to keep one foot on the clutch pedal so I can disengage it quickly if needed. Again, once it warms up, no problem.
Leads me to believe something is sticking or or not working properly when the vehicle is cold.
Sounds like normal operation to me. Reverse gear is taller than first gear and thus will make the vehicle want to move at whatever speed its gearing allows at that engine speed. When it's cold, engine speed is higher and thus the vehicle will travel faster.
Try putting it in 2nd when it's cold and see how fast it tries taking off on you.
Will try cleaning the IAC. Thanks!
The idle itself is definitely the typical fast idle warm up on modern cars to help bring the catalyst up to temp for emissions, likely when you put the car in gear and this lowers the idle a bit the ECU is trying to compensate.
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