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Envoy

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Question
If you replace both engine and transmission and still have reduced engine power, what do you do
The first thing to do is to have the computer system scanned and codes logged. Then clear the codes and road test to see if problem and check engine light returns. If it does then retest the system for codes...
Question
Hello ! I have a problem with my ac compressor clutch, it won't engage unless I push it manually
It sounds like you may have a damaged AC compressor clutch. As you may know the AC Clutch is the pulley that spins with the Belt. There are two ports on the rear of the Compressor. One is a Suction...
Question
Can i drive my 2oo7 envoy to Oklahoma frim California with bad feont suspension
Hi Monique. Thanks for contacting us today. I would strongly recommend against driving a vehicle with any damaged suspension components, as over longer road trips they can break - creating a seriously dangerous safety situation. It all depends on what...
Question
Reduced engine power on GMC Envoy 2003
The issue you are writing in about is common enough that a specific diagnostic, namely a Reduced Engine Power Warning Light Diagnostic is performed by technicians dispatched by YourMechanic. If you request that diagnostic, the responding certified mechanic will get...
Question
Transmission
It is possible that the shift cable that goes from your shifter handle to the transmission itself has broken. This would cause the transmission to be perminantly stuck in park and would likely be a simple and inexpensive fix. I...
Question
I took my 04 GMC Envoy to better brakes for less as I needed to have it pass smog and the check engine light was on. They said I n
Inasmuch as YourMechanic is mobile, you need not bring the car anywhere as the certified mechanic will come to you and take care of the radiator replacement. If you desire mobile replacement, please simply use YourMechanic's radiator replacement service page....
Question
Car runs fine but will not go over 45mph the check engine light is not on it was fine until I had to change transmission line
Hi Sandra. Thanks for contacting us today. There are a few different items that could be the root source of your GMC's issues. The most common problem is that the transmission fluid is either low or there is debris trapped...
Question
I can’t tell where it’s coming from I can just tell it’s coming from front end. Any ideas
If you have a major leak from front area of the transmission then it may be coming from the front transmission seal for the torque converter. This would require the transmission removal and front transmission pump checked and seal replaced....
Question
Slipping in 3rd gear
The fluid should be filled first to see if slipping still happens in third gear and then locate the leaks and then can go from there. Your transmission may have bad clutches for third gear and may be from running...
Question
We drive a 2003 GMC envoy. We heard something snapped followed by a continuous clicking sound. The axel has shifted.
Hi Cynthia. Thanks for contacting us today. There could be a few different parts that have broken, including a strut, tie rod or other suspension components. The best way to know for certain is to have one of our mobile...
Question
My gear when in park doesn't allow ME ro take my key out I have to push up real hard to take out the key..
Hello, thank you for writing in. We need to determine if the key is getting stuck in the ignition cylinder, or if the shifter is not registering as being in park. First, make sure nothing is stuck in the way...
Question
2004 Envoy why do I continue to get code po 106?
The code P0106 can be caused by the sensor or by engine vacuum leaks. Since you changed the sensor already, then the most likely cause of the stalling and the codes received is going to be a vacuum leak in...
Question
2003 GMC Envoy has oil in the throttle body
Oil in the air intake and throttle body indicates blow-by. Blow-by refers to the combustion gases that leak past piston rings during engine operation. The positive crankcase ventilation (PCV) system is designed to prevent these gases from leaking into the...
Question
Dash light
This light relates to the security system and usually indicates there is an issue with the system or in some cases, the vehicle is not recognizing the key. You may need to have the vehicle towed to a GMC dealer...
Question
Fuel pump fuse blowing
One of the most common causes for fuses to blow consistently as a shorted wire. There is either a short to positive which means that one wire that has power is shorting with another wire that has power. You could...
Question
My envoy 2008 will turn over has spark won't start
Hi Joanna. Thanks for contacting us tonight. Assuming that your Envoy has spark (and the ignition timing is correct), then your starting issue will likely be due to a fuel delivery or mixture issue. Some of the common component failures...
Question
Air injection reactor pump continues to run after engine is switched off.
This would likely be due to a stuck relay. Most faults in the air injection system will show up in downloadable trouble codes so you can attempt to find clues there. If the system is powered off (or commanded off...
Question
How do you remove the torque converter bolts off the flywheel? 2005 GMC Envoy Denali
Hello - with the vehicle safely supported to provide clearance underneath - in between the engine oil and transmission pan, there is a large, funnel-shaped aluminum casting (called the bellhousing), that physically mounts the engine to the transmission. At the...
Question
05 gmc envoy Denali v8 lifter change extra part 6in plastic tube w/bend at one end
It would help us to identify the hose if you supply a picture of the tube you have and if the tube came off from somewhere or was in the kit you purchased. I can only speculate it is the...
Question
2003 gmc envoy ignition got broken from someone and i need to drive it how can i bypass the anti-theft locking system???
The anti theft system is integrated in the engine and body computers and cannot be bypassed. You will need to replace damaged component and if you have original key the system will start with old key held next to new...

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