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98 cobra running rich and slight uneven idle and slight hard start [Archive] - StangBangerz Forums
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timdsellers
10-06-2014, 01:22 AM
98 cobra running rich(can smell the fuel). It doesn't start as easy as it should and has a slight stumble at idle. You can barely even see the stumble on the tach. Won't "take the gas" until warmed up or will die. Seems to run fine once warmed up but always idles rich and has that small stumble. No codes have been thrown(checked with code reader). Mods include Mac cold air intake, slp catback. That's it so it's pretty stock. Any ideas?
JIMS SVT
10-17-2014, 10:10 AM
Possibly the maf gone bad. Did it act like this after the Mac intake was installed? Maybe clean the maf with alcohol and and a q-tip first.
redfirepearlgt
10-17-2014, 12:26 PM
Cleaned the MAF? CAI filters that use oil can be so saturated that the oil will build up on the MAF and cause issues. Make sure you use MAF cleaner. TB cleaner will damage the MAF sensor. Make sure it dries afterward before plugging back in and starting.