How to read GM OBD diagnostic codes for free?
How to read the codes 1 Ground terminals A and B (see diagram below) with the ignition “ON” and engine not running. The system will enter the… 2 After Code 12 is displayed, any stored trouble codes will be displayed by flashing the “CHECK ENGINE”, “SERVICE… More …
Where can I Find my GM trouble code?
If you own a 1982 to 1995 GM car or truck, you just might be able to read your trouble codes for free! If you have a connector like this under your dash, read on… (note: this connector may have a black plastic cover over it, so also look for a cover shaped like this, sorry for the messy wires here)
What are the trouble codes for a 2000 Jeep?
2000 jeep limited 4.7 4×4…..just put in new timing chains and everything else in there is new also. Jeep ran fine before new stuff was put in and it does start good now but its running rough and showing codes now. It almost sounds as if there is a vacuum leak now since I can hear a sucking kind of…
When did the General Motors ABS code reader come out?
It includes detailed instructions in English, French, and Spanish with illustrations and code definitions applications. Safely and easily access the on-board computer to read ECM and ABS codes on most General Motors vehicles (domestic cars & trucks) from 1982 to 1995. Safely access the on-board computer to read ECM and ABS codes.
How to read the codes 1 Ground terminals A and B (see diagram below) with the ignition “ON” and engine not running. The system will enter the… 2 After Code 12 is displayed, any stored trouble codes will be displayed by flashing the “CHECK ENGINE”, “SERVICE… More
How does the Innova GM code reader work?
The INNOVA GM Code Reader accesses the vehicle’s on-board computer to retrieve engine and electronic transmission codes and ABS vehicle computer codes. It connects to the vehicle’s computer self-test connector and shows the trouble through vehicle’s “check engine” light.
If you own a 1982 to 1995 GM car or truck, you just might be able to read your trouble codes for free! If you have a connector like this under your dash, read on… (note: this connector may have a black plastic cover over it, so also look for a cover shaped like this, sorry for the messy wires here)
What do you need to pass the OBD test?
To pass an OBD-II emissions test, a vehicle must: Have a functional ‘Check Engine’ light and OBD port. The ‘Check Engine’ light must be off. Successfully complete the OBD-II system monitors that are built-in to the vehicle.
How to pass your emissions test with obdlink?
Here’s how: 1 Connect to the OBDLink app 2 Tap ‘Monitors’ 3 In the top right corner, click the menu icon to choose which state you reside in (left image below) 4 The screen will automatically populate with either a “Not Ready” warning (left image below), or with a “Ready” green check (right image below)
What causes a misfire on a GM 3.1L V6?
The waste-spark DIS ignition system on the 3.1L is similar to that used on other GM V6 engines. It has been a fairly reliable ignition system, but at high mileage, it can develop problems like any other ignition system. Ignition misfire can be caused by worn or fouled spark plugs, bad plug wires, weak coils or faults in the ignition control module.
Is the Craftsman model 20899 compatible with OBDII?
For example, the Craftsman model 20899 is for OBDI and OBDII but specifically excludes all 1995 S/T series vehicles even though the connector is compatible. I can easily extract the codes via a jumper and reading the MIL light flashes. However, I’d really like to get a tool for live scanning.
Can a obdi scan tool work with a PCM?
The PCM itself is OBDI, but the interface connector has the 16-pin D-style OBDII plug. Therefore, most inexpensive OBDII scan tools cannot establish a connection to this vehicle’s computer although it plugs in. Some OBDI scan tools will also not work with this vehicle since the interface connector is not OBDII style.
What does the ODB reader on a Pontiac do?
Pontiac ODB reader is a unique code reader that basically assesses the on board computer of a car and assists in the retrieval of engine and electronic transmission codes as well as ABS codes. It is connected to your automobile’s self test connector and shows any problems on your check engine light.
For example, the Craftsman model 20899 is for OBDI and OBDII but specifically excludes all 1995 S/T series vehicles even though the connector is compatible. I can easily extract the codes via a jumper and reading the MIL light flashes. However, I’d really like to get a tool for live scanning.
What does the p0134 code on a knock sensor mean?
The P0134 code means that the air fuel ratio sensor is not operating. Most of the time it will need replacing to correct. The P0327 code means that your knock sensor is not getting enough voltage.
What do I need to know about the p0154 trouble code?
The most common mistake when diagnosing the P0154 trouble code is replacing the oxygen sensor without first inspecting the other components of the system. It is important to check for holes in the exhaust near the location of the oxygen sensor, air leaks in the intake, and oil and or water saturation at the connector.