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You are flirting with danger modifying the Injector settings without a wideband.

The fact the coolant temp appeared to drop would mean the ecu would add fuel, probably the problem all along.

No way did the settings in the ecu change by themselves.

Thats the thing, when I drove it last night nothing had been changed by me. How can the tune go from being fine for months and then all of a sudden be really rich?

Spoke to a workshop in adelaide and he suggested that is has a currupt file. It's getting tuned in 3 weeks so that should clear that up.

Edited by fmlycar

or your water temp sensor is cactus... potentially accessing enrichment values from the water temp correction table...

buy a wide band already, it's cheaper than a new motor.

  • 1 month later...

Im also on the missfire spluttering chain atmo

Brand new spitfires

Brand new coil loom

Brand new z32

Now its time to look on fuel side of things

Pumps are only 4 years old used like 25 times

Could be fpr

Need to get a fuel pressure Guage

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