20 Most Recent 2005 GMC Sierra 1500 Hybrid Questions & Answers


Light on , DTC- diagnostic trouble code stored in the 4X4 control module . Take's a professional type scan tool to read these code's . Your best bet AAMCO . or dealer .

2005 GMC Sierra... | Answered on Nov 07, 2017


It ma be a bad connection. Check the battery terminals and the cable going to the starter. Make sure the terminals are clean, and the connection is tight. You may also have an alternator going bad.

2005 GMC Sierra... | Answered on Jul 02, 2017


as to abs your problem can be the hub itself not the sensor or even problem with abs control have it read to pinpoint problem most auto shops offer this service for free ---as to your 446 code the solenoid is not the only problem need to check the other possible not just change a part the following links should help you may fix problem by blowing out vent hose but sometimes its to late and the canister is filled with dirt [the hose is mounted up in rear wheel well where tires kick up all dirt and dust causing clogging ]
P0446 Chevrolet Evaporative Emission Vent System Performance Quick fix for code p0446 evap emissions vent circuit low P0446 Chevrolet Evaporative Emission Vent System Performance

2005 GMC Sierra... | Answered on Apr 25, 2017


it's in the oil pan usually .

2005 GMC Sierra... | Answered on Mar 21, 2016


2 wheel drive check dif numbers or 4x4 if 4x4 check dif numbers 4x4 must be the same numbers

2005 GMC Sierra... | Answered on Mar 15, 2015


I need to know if the brake pedal gets tight or does the brakes get tight and slow vehicle down as if brakes are being applied.....If it is just the pedal getting tight and hard you have a vacuum Brake Power booster problem....If the brakes are locking slightly this could be a few different things......NEED MORE INFO..and Mileage....

2005 GMC Sierra... | Answered on Dec 10, 2014


alldata.com

or GM FSM> book

2005 GMC Sierra... | Answered on Jun 29, 2014


sounds like the throttle plate is stuck try cleaning is out do not push on the throttle plate will damage it. have some one sit in the vehicle with their foot on the pedal take a tooth brush and some carb cleaner clean both side of the plate and inside the housing the best you can and see if the stops it.

2005 GMC Sierra... | Answered on May 19, 2014


Sounds like the master cylinder is not releasing. Replace it

2005 GMC Sierra... | Answered on May 18, 2014


These 4 things come to mind..

1. do you use any gas additives?
2. when was the last time you had a tuneup (with wires and plugs)?
3 Do you get gas at a particular station
4. Possible clogged gas filter.

This sounds like a "CAR TALK" question to click and clack. On most NPR stations nation-wide.. good luck.

2005 GMC Sierra... | Answered on May 07, 2014


either a vacumn pipe is broken or the ends split so its not passing a vacumn to open the flaps,where they are and how to get to them i cant help because i have never worked on one as they are not here in spain.check the engine end first though .Look for some small rubber pipes running from the inlet manifold

2005 GMC Sierra... | Answered on Jan 01, 2014


HERE'S A LINK

2005 GMC Sierra... | Answered on Jul 11, 2013


PARK LAMP RELAY STUCK CLOSE WILL CAUSE PARK LIGHTS AND TAIL LIGHTS TO STAY ON.

2005 GMC Sierra... | Answered on May 31, 2013


Any mechanic with a scanner that is air bag compatable. If your system doesn't have an issue, the light will go off...you have a problem, so get it scanned to see what is up.

2005 GMC Sierra... | Answered on Mar 04, 2013


The most common cuase of this is that the fuel level sending unit inside the gas tank is defective.

2005 GMC Sierra... | Answered on Jan 17, 2013


Horsepower gains for 5.3 L or 4.8 L V8
Cold air intake. (5-15 horsepower)Such as Volant, K&N, Airraid.
Chip, programmer, or a custom tune.(10-15 horsepower)
Exhaust(Realisitcally 1-5 horsepower)
Headers(5ish horsepower)

2005 GMC Sierra... | Answered on Dec 27, 2012

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