running rich
#1
running rich
had my mot done a few days ago and it flew through but the tester told me its running quite rich..its a 93wrx import with a 6k ecu..
any idea what could be causing the problem?
any idea what could be causing the problem?
#4
Scooby Regular
iTrader: (13)
LOL. Makes sense now.
In that case the main culprit is a knackered Lambda. It should cycle voltage between 0.1 and 0.9 odd volts - check using a volt- or multi-meter. If stuck static at a voltage between these figures, then Lambda's packed up, and when they do, the ECU overfuels off boost and the engine will be running very rich.
In that case the main culprit is a knackered Lambda. It should cycle voltage between 0.1 and 0.9 odd volts - check using a volt- or multi-meter. If stuck static at a voltage between these figures, then Lambda's packed up, and when they do, the ECU overfuels off boost and the engine will be running very rich.
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#8
Scooby Regular
iTrader: (8)
Trace the o2 loom from the sensor in the drivers side manifold and it will take you to a plug with 3 wires near the MAF, 2 white and a black, the black is the signal wire
On a side note, if you do require a o2 sensor then do NOT be tempted by ebay universal cheapies, i've done 3 in under a year Just Lambda, Subaru lambda sensors, Bosch and NTK zirconia and titania sensors by post is the place you want, 3 wire universal p/n LS02
On a side note, if you do require a o2 sensor then do NOT be tempted by ebay universal cheapies, i've done 3 in under a year Just Lambda, Subaru lambda sensors, Bosch and NTK zirconia and titania sensors by post is the place you want, 3 wire universal p/n LS02
#10
Scooby Regular
iTrader: (8)
Here ya go, both are 3 wire universal, one was £18 off ebay and the other was £46 from 'just lambda'. I dont need to tell you which is which, even the wiring is of a better quality
Last edited by Glowplug; 01 March 2009 at 05:04 AM. Reason: Helps if i post the link, Doh!!!
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