using way to much fuel???? HELP
#1
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using way to much fuel???? HELP
HI guys,
Once again i call on you PROFESSIONALS.
I have a blob which got mapped in jan and been fine untill about a month ago when i had a gasket go on the bottom of my up pipe. So in changing this i disconnected my front lamba sensor and did the work i needed to do and connected back up. BUt i have noticed the car smells of unburn fuel when i pull up any where and it's using way to much fuel. I had a diagnostic done which proved nothing and no codes. So i'm at a lost end PLEASE HELP
Once again i call on you PROFESSIONALS.
I have a blob which got mapped in jan and been fine untill about a month ago when i had a gasket go on the bottom of my up pipe. So in changing this i disconnected my front lamba sensor and did the work i needed to do and connected back up. BUt i have noticed the car smells of unburn fuel when i pull up any where and it's using way to much fuel. I had a diagnostic done which proved nothing and no codes. So i'm at a lost end PLEASE HELP
#2
Hi ya i'm having the same probs with over fueling but think mines down to the leak off valve??? and the way the car was set up before i brought it. As for your problem, you might want to get a co emissions test to make sure your lambda sensor is working! that would be a good starting point! lambda sensors tell the ecu how much fuel to regulate. Hope that was some help for you
#4
Diagnostics don't always show up lambda sensor faults though mate, that's why i mentioned about the co emissions test! otherwise get the ecu re-checked by the mappers? can't think of any other suggestions.
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just a thought mate was u losing boost or pressure when your gasket went on ur up pipe cuz if it was could your ecu be runnin limp mode. Because my hks headers cracket and i lost pressure a bit ov boost and ecu went into limp mode it ponged ov petrol it took a bit ov time to go back to norm
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#8
As with the co checking mate, there are 3 readings-co's, hc-hydro carbons(unburnt fuel), and lambda. They should all be green! if any are out then they will be red! you should get a print out.
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