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My RB20 will not start, checked spark ok !

Pulled out first 3 spark plugs and are drenched in fuel.

What would be causing this?

I recently pressure cleaned (with air compressor n carby cleaner) my sard 550cc injectors my self and reinstalled and ran fine until i turned the car off and then i started it again then it started to loose cylinders now i cant even start any more....

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https://www.sau.com.au/forums/topic/408408-rb20-flooding-wont-start/
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I agree, worst idea ever. Maybe the carby cleaner left in the injectors took out the oxygen sensor and now it's stuck in full lean mode (0V). Or you've damaged the injectors somehow internally and now they're in fire hose mode.

Why, oh why, does everyone automatically suspect the O2 sensor for every problem in an RB engine?

ECU ignores the O2 sensor until the engine is up to operating temp and in cruise (constant throttle) mode.

  • 3 weeks later...

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