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01 Lightning will not pass readiness monitors

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Old 12-18-2010, 04:01 PM
jpabs67 jpabs67 is offline
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01 Lightning will not pass readiness monitors

Hi all....first post. Looking at buying an 01 SVT that my Honda dealer picked up as a bank repo. It has 86,000 miles and they are willing to sell for $10,500 out the door.

Well being cautious of what I`m buying, I gave this truck the "thourogh" look over. It needs rear tires, some front bumper work and few little odds and ends.

Now the fun stuff. I hooked up the scan tool and found no codes stored in the ecm. I proceeded to check the readiness monitors and found 3 that were not complete. Evap, Catalyst, and Egr.

A further inspection found aftermarket hi flow or gutted cats. The secondary 02s wiring at the 02s have been cut off and eliminated. Ok first thought...mil eliminators should be here with gutted or hi flow cats....(no mil whats going on here?)..none there so check at ecm for any add-ons. None found. Next I try to force a code by disconnecting sensors, any sensor multiple sensors...no codes are being set! Whats going on here? I pulled the ecm and opened up to look and see if I could see anything unusual. It all looks good. It does however have a remanufactured label on it. Part number is 1L3f-12a650-bab.

Am I looking in the right direction? I like the truck,and I like the price, but in order for me pass emissions here in Northwest IN. I would need no CEL and all monitors passed.

Forgot to mention, it has a cold air intake, but the IAT is just hanging off to the side. Don`t most cold air intakes have a bung for the IAT? I can`t see this running right with the IAT not placed in the intake air flow.

I`d appreciate your input or help. Thanks

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Old 12-18-2010, 07:08 PM
jpabs67 jpabs67 is offline
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A few of my thoughts.....tell me if I`m thinking on the right track.

ECM has a remanufactured label on it because it is a preprogrammed hi-performance ecm. If I buy a stock ecm along with new rear secondary sensors, and mil eliminators, it should be enough to get this truck through Indiana emissions....of course unless there are other mils that need attention.

Will the MIL eliminators allow the catalyst monitors to pass, or do they simply just keep the MIL off?

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