Error code 2-3-2

Tiny
4516110
  • MEMBER
  • 1989 VOLVO 240
Hi,

my 89 Volvo 240 GLT keeps giving error code 2-3-2, "fuel system compensating for rich or lean mixture at idle, " according to the manual. The idling is affected, sometimes up to 1500 RPM. What are the possible causes of this problem, and how may they be fixed? It's a B 230F EFI engine. Any leads would be appreciated. Thanks!

Johnny
Saturday, February 4th, 2012 AT 5:37 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
More than likely on this vehicle you have a fuel pressure issue or even o2 sensor issues.

So here are a couple guides that will get us started:

https://www.2carpros.com/articles/how-to-test-an-oxygen-sensor-02-sensor

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Here is a guide that will help with checking the fuel pressure as well:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

If both of these check out then unfortunately we are going to have to run through all this testing for this specific code.

Please review this and let us know if you have questions on this.

Thanks
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Wednesday, August 4th, 2021 AT 6:31 PM

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