What does a check engine light mean on a 2002 Subaru Impreza?

What does a check engine light mean on a 2002 Subaru Impreza?

A check engine light can indicate a broad spectrum of problems with your 2002 Subaru Impreza. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light.

Why does my check engine light come on?

The Subaru check engine light comes on when there is a problem with the Subaru’s emissions control system. The Subaru’s computer, called an ECU, generates fault codes that pertain to various sensors on the vehicle. If one of these sensors fails, it will trigger a fault code.

How do you reset the Check Engine light on a Subaru?

Open the hood of your Subaru and loosen the nut that holds the cable clamp to the negative battery terminal. Slide the cable off the negative battery terminal. Wait 5 minutes, then reconnect the cable and tighten the retaining nut. Start the engine and wait for the Subaru’s computer to reset the check engine light.

What does the Check Engine light mean on a Subaru Outback?

The “check engine” light is part of your Subaru’s so-called onboard diagnostics (OBD) system. Since the 1980s, computers increasingly have controlled and monitored vehicle performance, regulating such variables as engine speed (RPM), fuel mixture, and ignition timing.

Where to find check engine light code on Subaru?

When retrieving Subaru check engine light 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.

Where can I find the Acura check engine light code?

Look up your code definition. This tells you where to start testing. If you are unsure of any abbreviations, check out the acronym list by clicking on the link at the left.

What does flashing cel mean on Subaru OBDII?

There are no other codes that will cause a flashing cel. This is an industry wide standard. Just like a PO301 is a cylinder one misfire no matter what the manufacturer is, be it subaru, toyota, ford etc etc. In obdII cars (1996+) a flashing cel always indicates a cat damaging misfire.

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