Question about 1994 GMC Safari
Hi there HO2S BANK 1 SENSOR 3 HEATER CIRCUIT LOW . this jiberish means that its an upstream preheated oxygen switch it may need to be replaced or one of the wires could be damaged take a look there is two o2 sensors on each side the more foreward ones are upstream and the ones located towards the muffler are called downstream . first thing id do is look for a bad or melted wire on one of the upstream sensors but in capital letters is the definition for code P0043 good hunting .
Posted on Jul 19, 2008
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Nov 12, 2011 | Cars & Trucks
Oct 18, 2011 | 1994 GMC Safari
Oct 06, 2011 | 1994 GMC Safari
Apr 28, 2011 | GMC Safari Cars & Trucks
Feb 04, 2011 | 1994 GMC Safari
May 10, 2010 | 1994 GMC Safari
Mar 11, 2009 | 1994 GMC Safari
251 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: