Performance Spark Plugs? Poor Fuel Economy!
#1
Frank Da Tank
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Join Date: Apr 2007
Location: N. Kingstown RI
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Performance Spark Plugs? Poor Fuel Economy!
i was wondering about spark plugs. My car burns real rich and i get like 8mpg. I read a previous thread that said you should change plugs to try and burn better. It says in the manual that: dirty or worn spark plugs, igintion coil, low compression, pressure regulator, intake leak.
I have black deposits on my bumper above the exhaust. it smells like raw fuel and the exhaust fumes make my eyes water. so i have no idea please give me some ideas
I have black deposits on my bumper above the exhaust. it smells like raw fuel and the exhaust fumes make my eyes water. so i have no idea please give me some ideas
#4
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If you're running that rich, your plugs probably need changed. But your AFRs are probably still pig-rich and that's the root cause of the problem.
Take a good look at the plugs that come out - if one rotor is noticeably worse looking than the other, then you've figured out something is wrong with that one - injectors perhaps.
If you have an aftermarket ECU, you really need some tuning.
Dave
Take a good look at the plugs that come out - if one rotor is noticeably worse looking than the other, then you've figured out something is wrong with that one - injectors perhaps.
If you have an aftermarket ECU, you really need some tuning.
Dave
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trickster
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