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Just thought I'd run a question by you guys. A few months ago I replaced the stock headers with a set of FLP long tubes. I decided to go with the off road pipes instead of the hi flow cats. Never put the o2 simulators in but also never got the "check engine" light that I was sure I get. Last week I replaced the stock air duct with an aftermarket high flow air duct and coupler. Drove it for a day or two then over the weekend, got the check engine light. I know it could be anything causing it to come on but what do you guys think.
Thanks, Jon
pull the plugs on the MAF and airbridge...reconnect...light may stay on for a few ignition cycles..had mine come on after cleaning Blackwing...reconnected the wires light stayed on for 4-5 more cycles