Top 20 2006 GMC Envoy Xl Questions & Answers

Mattkirkham - it could be loose bolts...or your water pump is going bad...view this link it should help you. http://forums.trailvoy.com/showthread.php?t=58351

Envoy 2002 2008 Workshop Service repair manual My personal suggestion would be to go for these repair catalogs. I know this website reliable-store that i used to buy them from, and they sold online it was very good manual. Go ahead, I bet.

both the rear passenger side wont unlock ???? How many doors are on the passenger side ? Or both back doors don't unlock ? Two relays lock / unlock the back door's Not the lift gate . The BCM controls the relay's . The relay's are located in the rear fuse box . Under back seat .

Make sure it's all the way in park turn the key on let all the dash lights go out then turn the key over then if that don't work I will suggest checking spark plugs for other signs of problems

Trans needs ajustn at throttlbody. Or may need internal maintenance. Car mite need a scan to get values or codes. May b idling to low or needs tuned up igntion

Bad plug or broken wire at the plug, at the alternator. Pull the plug off the alternator. Turn the key on and check for power and ground at the leads. No reading, probe the wires a couple inches back. If a read there fix or replace the plug. If you have a 3 wire plug, best to use an ohm meter. Test each wire separately. At the pin and a couple inches back on the wire. This test may include testing the wire back to the PCM and fuse panel. You'll need wiring schematics for this. The PCM is what fields the alternator to charge and supply power when the engine is running.

This is a known problem, a software update to the PCM takes care of this problem. An update at the dealer is around $100.

Bad crank sensor usually is the cause. Or fuel delivery

Bad actuator

Google the code to see what it means.

ingnition coils and or ignition control module

On my s1s10, it was a blown fuse under the hood and front wheel hubs needing replaced. The bad wheel hubs were throwing abs and traction systems as well as no cruise. The noise from the hubs confused the abs sensors until they got new ones. Everything is one piece nowadays.

Check the hose and check where water comes out might be cloged .Also check the moter and fuse.

P0134 - O2 Sensor Circuit No Activity Detected Sensor 1 Bank 1 P0135 - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 P0053 - O2 Heater Resistance Bank 1 Sensor 1 P0030 - O2 Heater Control Circuit Bank 1 Sensor 1 You need to replace the O2 Sensor Bank 1 Sensor 1 Carquest can help you get the correct part and help you locate it.

Some possibilities are clogged catalytic converter, clogged fuel filter, slipping transmission.

check the fluid level for your transmission. may need a top up.

Timing chains last the life of car or truck belts need to be changed every 100,000 km or more. Also what's the problem.

4.2liter ?

never use 4wd on dry pavement even just wet pavement can cause this. 4wd is for only snowy or slippery conditionsunless this is automatic 4wd or awd than u have a problem id suggest you find a forum for youre vehicle and post it there find one by googleing gmc envoy forums or chevy trailblazer forums as they are the same thing