Where is the DLC on a GM 94?
Locate Data Link Connector (DLC), see image below. Turn Ignition switch to ON position. Count the flashes on the “ CHECK ENGINE ” or “ SERVICE ENGINE ” light. NOTE: Some 94 & 95 models do not have the B terminal. In which case a scanner is required.
What are the GM trouble codes for 2008?
Here is what I have done since Aug. 2008 I have replaced the MAF sensor, air filter, knock sensor, fuel pump, coil, tps, fuel filter, distributor cap and rotor. But guess what I am still having the same codes in this order P0327,P0171, and P0174.
What does code 12 mean on GM OBD?
The system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive times, by flashing the “CHECK ENGINE”, “SERVICE ENGINE SOON” or “MALFUNCTION INDICATOR LAMP” or light. A Code 12 consists of one flash, a short pause, then two flashes in rapid succession.
Locate Data Link Connector (DLC), see image below. Turn Ignition switch to ON position. Count the flashes on the “ CHECK ENGINE ” or “ SERVICE ENGINE ” light. NOTE: Some 94 & 95 models do not have the B terminal. In which case a scanner is required.
The system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive times, by flashing the “CHECK ENGINE”, “SERVICE ENGINE SOON” or “MALFUNCTION INDICATOR LAMP” or light. A Code 12 consists of one flash, a short pause, then two flashes in rapid succession.
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 OBD codes for GM cars?
GM OBD1 Codes 13 O2 sensor or circuit 23 MAT circuit IAC sensor (95 models) 24 vehicle speed sensor 22 TPS out of adjustment 25 MAT circuit
Do you need a scanner for a GM 94?
NOTE: Some 94 & 95 models do not have the B terminal. In which case a scanner is required. NOTE: Some 94 & 95 models that DO have the A & B terminals still require a scanner. All vehicles after 96 are OBDII,and require a scanner to access them.
NOTE: Some 94 & 95 models do not have the B terminal. In which case a scanner is required. NOTE: Some 94 & 95 models that DO have the A & B terminals still require a scanner. All vehicles after 96 are OBDII,and require a scanner to access them.