20 Most Recent 2000 GMC Envoy - Page 6 Questions & Answers


The internal resistor may defective. It's easier to just replace it.

GMC Envoy Cars &... | Answered on Jul 24, 2016


It is mounted on the radiator to sense it's temperature.

GMC Envoy Cars &... | Answered on Jul 24, 2016


Look at the vacuum hose on the cruise control actuator. It may have gotten gummy or lost it's grip on a connector.

GMC Envoy Cars &... | Answered on Jul 24, 2016


Shoot some penetrating oil or WD40 on the center hub of the wheel where it contacts the drum. Let it work for 15 or so minutes then wiggle the wheel off the brake drum

GMC Envoy Cars &... | Answered on Jul 24, 2016


You have to run a diagnostics test to get the answer. Diagnostic codes will tell you what is causing the light to come on and will also turn it off once the repairs are made.

GMC Envoy Cars &... | Answered on Jul 23, 2016


Fuel pressure problems, clogged fuel filter, really dirty air filter.

GMC Envoy Cars &... | Answered on Jul 23, 2016


Look at the column switch for the lights. That is what controls the relay. Most likely faulty.

GMC Envoy Cars &... | Answered on Jul 23, 2016


It is not a blockage if coolant is leaking. Determine if the core itself is leaking or a loose hose clamp. Repair as necessary. Don't ignore it since running the engine pressurizes the hoses and will push out coolant causing engine overheating.

GMC Envoy Cars &... | Answered on Jul 23, 2016


Under the car in front of the gas tank.

GMC Envoy Cars &... | Answered on Mar 17, 2016


Secondary Air Injection (AIR) Pump (K18)
On the left hand frame rail near G304 just behind the electronic brake control module

GMC Envoy Cars &... | Answered on Mar 16, 2016


I found this picture, for secondary air injection pump. It appears, driver side, frame rail, close to the front, hopefully.
You have to safely raise and support the vehicle to get at it.
26132003-c4gyrks1ciuv1mrpkf5g2opu-1-0.jpg

GMC Envoy Cars &... | Answered on Mar 16, 2016


MAKE SURE YOUR OIL IS GOOD & MAINTAINED, IGNITION TIMING OK. THATS A VALVE OR ROCKER ARM RATTLE. USE QUALITY PRODUCTS (OIL & FILTER) IF OK, BRING IT IN

GMC Envoy Cars &... | Answered on Feb 08, 2016


The headlamp driver module (HDM) is an electronic module that provides electrical power to the vehicle low beam headlamps. The HDM is controlled by a pulse width modulated (PWM) ground signal from the body control module (BCM). The BCM determines the desired lamp intensity using the ambient light sensor, multifunction switch and the park brake switch as inputs. In general, the HDM will operate in 1 of 3 modes:
?€¢
Reduced Intensity Mode: This mode is used by features that do not require or allow maximum low beam headlamp intensity such as daytime running lights (DRL) (nominal: 85% duty cycle).


?€¢
Full Intensity Mode: This mode is used by features that require full low beam headlamp intensity such as low beam headlamp operation in manual or auto modes (nominal: 100% duty cycle).


?€¢
Off Mode: This is the default mode of the system that will occur when none of the features described above are active. The BCM will deactivate its PWM output (0% duty cycle) during this mode.

The normal battery voltage input to the HDM must be between 6 and 16 volts DC to operate. Any deviation to these values could cause improper operation.
Major components of this system are the BCM, HDM, ambient light sensor, multifunction switch, park brake switch and low beam headlamps.
DTC B2575 Headlamp Control Circuit
When the body control module (BCM) senses a request for headlamp or daytime running lamp (DRL) illumination, the BCM sends a pulse width modulated (PWM) ground signal to the low beam headlamp driver module through the low beam headlamp driver module control circuit. The low beam headlamp driver module will illuminate the headlamps, adjusting the intensity based on the PWM signal received
You best bet is to take your vehicle to a ASE certified repair shop or the dealer >

GMC Envoy Cars &... | Answered on Jan 15, 2016


Turn Off Suspension Switch Before Jacking/Lifting Vehicle ...

repairpal.com > Problems > Lincoln > Navigator
Turn Off Air Suspension System Before Jacking/Lifting Vehicle on Lincoln Navigator. Prior to jacking or lifting a vehicle with air suspension, you must turn off thesuspension switch. The switch is generally located in the trunk or on the right side of the passenger foot well. RepairPal Verified.

    GMC Envoy Air Suspension Sensor - YouTube

    ? 4:25
    https://www.youtube.com/watch?v=mh8rieTxFEM
    Sep 27, 2013 - Uploaded by klondikerabbit
    In this video, I am trying to diagnose and adjust the rear air suspension sensors on a 2003 GMC Envoy. The ... images for envoy where is the air suspension switch

GMC Envoy Cars &... | Answered on Nov 01, 2015


Code means imrc input error bank 1 don't know what that is

GMC Envoy Cars &... | Answered on Sep 14, 2015

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