AFR's way too rich!!!!! grrrrr.

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White Knight

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Joined
May 21, 2013
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Hey guys, on my way home from work just now I noticed the car was sluggish and the AFR'S were crazy rich, like mid 10's on steady state throttle and when trying to accelerate the engine would bog down substantially.
So, I am gueesing O2 sensor is rooted or MAF sensor? Anyone got a clue?
Nothing has changed physically to the car in the past month or so to cause this.
Cheers
 
I forgot to mention that I still have the original FPR and fuel pump, my bad. Probably rules the fuel pressure possibility out, my O2 sensor is a wideband from AEM as well. Details may help hey. Naughty me.
 
When did you last change your spark plugs? Fouled plugs? Ignition failure causing Fouled plugs causing richness..

Happened to me recently. So many possibilities.
 
True Baz.... But we also forget the infinite variable of my stupidity too.
The air filter had not been tightened back up after I removed it to fit new headlight globes and had come loose enough to cause an issue.
Short story, I'm a dick and wasted peoples time here. All good now. ...
 

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