If you are referring to the diagnostic trouble codes (DTC), you can go to your public library and check out a Haynes or Chilton's Repair Manual for your vehicle. Chapter 6 in either book will have instructions on how to retrieve the codes, what the codes mean, and how to fix/repair/replace the component(s).
To retrieve flash codes on a 1995 Dodge Caravan SE, you can use the onboard diagnostic (OBD) system. First, locate the diagnostic connector under the dashboard near the steering column. Use a jumper wire to connect terminals A and B on the connector, then turn the ignition key to the "On" position without starting the engine. The check engine light will start flashing, and the pattern of the flashes corresponds to specific trouble codes, which you can decode using a reference chart.
You will need an OBDII scanner to retrieve the codes. WalMart has some for about $70 if you want to buy one. Otherwise, you can go to AutoZone and have it scanned free.
You will need an OBDII scanner to retrieve the codes. WalMart has some for about $70 if you want to buy one. Otherwise, you can go to AutoZone and have it scanned free.
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Make and model would help.
The port is accesible from the backseat. Located under the ashtray in the center console.
A 2000 Suzuki Esteem Wagon's check engine light can illuminate due to various reasons, including issues with the oxygen sensors, mass airflow sensor, or catalytic converter. Additionally, problems with the ignition system, such as faulty spark plugs or ignition coils, can trigger the light. Other common causes include loose or damaged gas caps, exhaust leaks, or engine misfires. It’s advisable to use an OBD-II scanner to retrieve the specific trouble codes for accurate diagnosis.
The diagnostic port on a 1990 Volvo 740 station wagon is located under the dashboard on the driver's side. It's typically found near the steering column, behind a cover or panel. You may need to remove a small plastic cover to access it for diagnostics or connecting a scan tool.
You have to recalibrate the muffler bearing first.
Then you need to have the codes read with an OBD scanner.
It is in the console near the parking break handle when it is pulled on, on the right side under a small access panel.