U340E delayed engagement
- Symptoms
- Delay into D/R
- Likely cause
- Low or burnt ATF, solenoid
- Fix
- Check ATF level and condition, scan, pressure test
- Applies to
- ZZE122R-GEPNKP
- Related fault codes
- P0750-P0770
- Confidence
- low
Sources
- transmissionaudit.com/cars/toyota/corolla-2003-2008/
- transmissions.biz/repair/diagnose-delayed-engagement/
Related problems on this car
- ZZ oil consumption (1ZZ-FE/3ZZ-FE, worse on early builds)
- Ignition coil-on-plug failure / misfire
- Intake manifold gasket vacuum leak (1ZZ)
- Dirty MAF sensor
Where the parts are · Warning lights · Fault codes · Maintenance
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Guidance only – confirm with a mechanic before repairs. All common problems