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The mkiv Supra Owners Club

9.5 AFR at idle. Cranking enrichment?


bigbloodyturbo

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well i put two 220R resistors in parallel in the coolant temp sensor socket, didn't really change anything so I pulled the vacuum hose off the map sensor, NO change......! I pulled the carpet up in the passenger side to check the FCD wiring, hey presto, i prodded the FCD wiring and the afr's went back up to 14.5-15. I have removed it and cleaned up the wiring with proper solder joints and heatshrink. Idle is still down at 700rpm and a bit shitty but afr's are clean if a bit erratic.

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