DFI Tests W/O Codes
- Diagnosis & Testing
- How To Use This Article
- Intermittent "Service Now/Soon" Light
- Hard Start
- Stalls After Starting
- Hesitation Or Stumble
- Surges &/Or CHUGGLE
- Detonation, Spark Knock
- Lack Of Power Or Sluggish
- Cuts Out, Misses
- Backfire
- Poor Fuel Economy
- Rough, Unstable Or Incorrect Idle, Stalling
- Dieseling
- Excessive Exhaust Emissions (Odors)
- Intermittent Engine Stall, No Codes