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#1
07-14-2019, 04:25 PM
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Rough Idle & Low /Unstable RPMs
2002 4.6is - Supercharged - 109k
What's been done: Rebuilt Supercharger due to blow-by; oil going into the throttle body/intake Sprayed 2 full cans SeaFoam (different times) into intake. Result: Driver (LHD) side blows out lots of smoke after, clears up. Both Cats removed trying to chase the issue. Pulled plugs on bank 2, inspected, cleaned and replaced. MAF has been cleaned as well as air filter. New coils. __________________________________________________ __ Code: 20 | Lambda code probe 2 rear cat | may be bad wire When I view it in INPA it says running rough, but if RPMs are increased by 100-200 it goes to 100% clear/perfect. Running low on ideas. Was thinking MAF maybe, but its not tossing a code. If I unplug the MAF it cuts off - meaning its a good part. Possible throttle body issue? Thanks for any suggestions!
__________________
740iLDUKE 01' DINAN 7 S62 Swap - Stratus Grau (1587 produced in SG 440) 02' 4.6is DINAN X5 S2 Supercharged 833/3258 produced | 1/27 Dinan X5's 
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