YJ Wrangler check engine code 25 Jeep Registry
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YJ Wrangler check engine code 25

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My 95 Wrangler (I4 manual) has been throwing check engine code 25. I have been trying to fix it, but can’t get it to stop. I clear codes after everything I replace.

So far I have:
- Cleaned the throttle body
- Replaced idle air speed control motor
- Replaced the throttle position sensor
- Replaced the MAP sensor
- Replaced any obviously cracked hoses/connectors.

What my Jeep is doing:
The check engine light comes on randomly while I am driving. It does not come on while I am idling in my driveway, even if I leave it on for extended periods of time. (I idle between 750-1000rpm).

So far it has come on at:
13m 03s
12m 20s
31m 34s

As I have replaced nearly everything (short of every single air hose in the Jeep) I am running out of ideas. Can anyone help? Thanks!


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