Auto >> AutoSPT >  >> Electric car

Where is the electronic control module located on a 1991 suburban?

The Electronic Control Module (ECM), also sometimes called the Powertrain Control Module (PCM) in a 1991 Chevrolet Suburban, is typically located under the hood, near the firewall. However, the *exact* location can vary slightly depending on the engine type (5.7L, 6.2L, or 7.4L) and whether it's a TBI (throttle body injection) or TPI (Tuned Port Injection) system.

To find it definitively, you should:

1. Consult your owner's manual: This is the best resource. It will have a diagram showing the location of all major components, including the ECM.

2. Look for a large, black rectangular box with numerous wiring harnesses connected to it: This is the most common appearance of the ECM.

3. Check near the air cleaner assembly, often on the driver's side (left side in the US): This is a common location for many GM vehicles of that era.

If you can't find it using these methods, a picture or even a description of your engine's configuration would be helpful to provide a more precise answer. A mechanic specializing in older GM vehicles could also easily identify it.

Auto Repair
Where do you get a owners manual for craftsman 8-26 steerable track snowblower mod c45932528? How do you replace Olds 98 right front motor mount?
Car Care
Mistakes to Avoid When Cleaning Car Wheels The Drive and eBay Motors Guide to Winterizing Your Car Audi and Subaru Announce Recalls of Around 200,000 Vehicles After Problems With
Engine
Why does your 1998 F-150 start and idle fine accelerate but when put into gear it wants to stall sputters? The engine of a plane is responsible for giving what?
Electric Car
Do we need petrol to run our cars? What would cause a 1989 Honda Accord lxi 5 speed transmission to not go in fifth gear? What does it mean when the abs light comes on in a 1999 Ford truck?
Autopilot
The Driverless Car Battle of the Countries How do you install the knock sensor in a 2000 Monte Carlo?
Car Photos
Can you get car ins and registration on a salvage title in South Carolina? Is the 2005 Audi A6 front wheel drive rear or four drive? Price of a car in 1910?