Tip & How-To about Isuzu Rodeo

Engine light shows on dash wile engine is running

First thing i do is clear the codes by unplugging the computer / ecm or even on some cars just the efi relay for a few minutes this will reset the codes

however if it comes up again and the car seems to run fine you should definately go to your mechanic

some manufacturers can tell the problem with the car just by plugging in thier computer however most small mechanics just use a code reader these are good too but sometimes get confused with multi codes

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Check engine light has P0685 code. Engine stalled while driving. What are the possible causes of this? Is this an expensive fix?

- Faulty Engine Control Module (ECM) power relay
- ECM power relay harness is open or shorted
- ECM power relay circuit poor electrical connection
- Faulty (ECM)

Apr 24, 2015 | Cars & Trucks

3 Answers


you can do a relearn first reset clear mil -code if you can do it with scanner or disconnect battery for a few minutes ----start and let idle for 3 minutes and watch idle should start going down turn off for 60 seconds and let idle again for 3 minutes turn off for 60 seconds and start up and take a drive for about 20 miles need to have speed get up above 44miles per hour for a bit than off gas and let decelerate than back up on speed do this a few times while on drive throttle body should relearn

Apr 19, 2014 | Cars & Trucks

1 Answer

What's is the function the efi fuse

It supplies the EFI Main relay, which in turn powers the fuel pump, ignition switch, and starter relay. In addition it powers the ECM computer, so that if you wish to clear a trouble code from there, you pull the EFI fuse for 30 sec. See here p177 http://www.turboninjas.com/camry/eg1.pdf good luck

Nov 01, 2013 | 1997 Toyota Camry

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