How does the OBD work on a Pontiac Grand Am?

How does the OBD work on a Pontiac Grand Am?

The Pontiac Grand AM comes with an On-Board Diagnostics (OBD) computer that receives trouble codes from sensors positioned throughout the vehicle that monitor all functions. The OBD computer stores those trouble codes and communicates them via service or warning lights on your instrument panel.

How do you find trouble codes on a Grand Am?

Press “Read” on the scanner’s face and wait for the scanner to interface with the Grand Am’s computer. It will display alphanumeric trouble codes on the menu of the scanner or, better, display the code descriptions. For alphanumeric codes, write them down and then look them up in the manual that came with the scanner.

When did the Pontiac Grand Am stop being made?

The Pontiac Grand Am is a mid-size car and later a compact car that was produced by Pontiac. The Grand Am had two separate three-year runs in the 1970s: from 1973 to 1975, and again from 1978 to 1980. It was based on the GM A platform. Production of the Grand Am was canceled in 1980 when it was replaced by the Pontiac 6000.

What kind of engine does the Pontiac Grand Am have?

The Grand Am shared the same front-wheel drive platform as the Buick Somerset (renamed Skylark in 1987) and the Oldsmobile Calais. Initially, the Grand Am was available in base or LE trim in coupes only. The 2.5 L Tech IV was standard, while a 3.0 L Buick V6 was optional.

What is the DTC code for a Pontiac Grand Am?

Let us know in the Values & Prices Paid section! Pontiac Grand Am: DTC code P1404. Many GM built cars have a tendency to have the ‘Check Engine Soon’ light come on as a result of DTC code P1404. P1404 is described as EGR valve pintle stuck open, which in most cases is a false alarm.

The Pontiac Grand Am is a mid-size car and later a compact car that was produced by Pontiac. The Grand Am had two separate three-year runs in the 1970s: from 1973 to 1975, and again from 1978 to 1980. It was based on the GM A platform. Production of the Grand Am was canceled in 1980 when it was replaced by the Pontiac 6000.

What kind of transmission does a Pontiac Grand Am have?

All engines were available with a Turbo-hydramatic 400 automatic transmission as standard equipment. A 4-speed manual transmission was available with the 400/4-bbl engine in 1973 and 1974, but this was not popular.

What was the compression ratio of the Pontiac Grand Am?

Engines were also detuned to meet the 1975 emission regulations with the compression ratio dropping to a new low of 7.6 to 1 on some engines.

Where do I find the trouble code on my Pontiac?

These are listed in numerical order for easy searching. When retrieving Pontiac trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.

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)

Press “Read” on the scanner’s face and wait for the scanner to interface with the Grand Am’s computer. It will display alphanumeric trouble codes on the menu of the scanner or, better, display the code descriptions. For alphanumeric codes, write them down and then look them up in the manual that came with the scanner.

The Pontiac Grand AM comes with an On-Board Diagnostics (OBD) computer that receives trouble codes from sensors positioned throughout the vehicle that monitor all functions. The OBD computer stores those trouble codes and communicates them via service or warning lights on your instrument panel.

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 …

When do you need to clear an error code on a Pontiac?

No matter what kind of Pontiac vehicle you drive, at some point you’re sure to come across a situation where the check engine light goes on and will require the error code to be cleared out. Error codes are triggered when your Pontiac’s computer detects a mechanical issue with the car and then illuminates the check engine light.

What to do when your check engine light goes off on a Pontiac?

Insert the key into your Pontiac’s ignition, and turn on the vehicle. Look on the instrument panel on the dashboard to confirm the check engine light has gone off.