Question about 1993 Chevrolet Suburban
Posted by Anonymous on
Listings of the trouble for the various engine control system covered in this manual are located in this section. Remember that a code only points to the faulty circuit NOT necessarily to a faulty component. Loose, damaged or corroded connections may contribute to a fault code on a circuit when the sensor or component is operating properly. Be sure that the components are faulty before replacing them, especially the expensive ones.
Fig. 1: ALDL connector — 1988–92 models
The Assembly Line Diagnostic Link (ALDL) connector or Data Link Connector (DLC) may be located under the dash and sometimes covered with a plastic cover labeled DIAGNOSTIC CONNECTOR.
Posted on Jul 12, 2010
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.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
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
SOURCE: PO179 CODE
P0179 Fuel Composition Sensor Circuit High Input. May have got some bad fuel somewhere. I would erase your codes and see if it comes back. If it does I would take your vehicle to the stealership to have it diagnosed a little further. Thanks for using fixya.
Posted on Jan 08, 2009
either google the code or go to the dealer and have them use the reference guide for you vehicle. most dealerships have a huge collection of reference books that goes back years and years
Posted on Jul 13, 2009
If you have the problem resolved try disconnecting the battery for 3 minutes then reconnect, if it still stays on then you will need to go to Auto-zone to have them run diagnostic test for the truck once you have pulled the codes then select clear codes then reset the computer with scan tool. This is a free service from AutoZone. Be sure to write down all trouble codes so that it can be looked at later if it does not work. Then if it does not stay off post the trouble codes here so it can be diagnosed.
Posted on Jul 14, 2009
SOURCE: I have a 2002 Chevy
Basically this means that the the car's computer has
detected that not all
of the engine's cylinders are firing properly.
A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.
Symptoms may include:
A code P0300 may mean that one or more of the following has happened:
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.
Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.
Posted on May 27, 2010
Tips for a great answer:
Mar 23, 2017 | Cars & Trucks
Dec 12, 2015 | Cars & Trucks
Feb 09, 2011 | 1993 Chevrolet Suburban
Oct 19, 2010 | 1995 Chevrolet Suburban
Apr 24, 2010 | 1999 GMC Suburban
Nov 25, 2009 | 2003 Chevrolet Suburban 1500
Sep 20, 2009 | 1989 GMC Suburban
Jun 15, 2009 | 1995 Chevrolet K1500
1,852 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: