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#help #lexus #is250 1gfe 1jzgte 1st gen 2001 is 300 2001 lexus is300 2002 2002 is300 250 2jz 2jz build 2jz ge 2jz-ge 2jzge 2jzgenat 3sge 5 speed manual transmission advice alignment altezza bodykit boost brakes catalytic clutch coilovers control arm cooling crank no start differential diy drift drift car drifting ecu electrical engine evap exhaust fitment help fuel pump ggp 2002 e-shift headers headlight headlights help is is 300 is200 is250 is300 is300 engine is350 jpi l-tuned lexus lexus is maf maintenance manual manual swap misfire misfire at idle muffler na-t need help new member o2 sensor oil leak overheating parts plp pro lex performance plp pro lex vortech supercharger plp strut bar problem question radiator radio repair rods and pistons rough idle shocks spark plugs speed sportcross steering wheel suspension swap tail lights throttle body transmission tune tuning turbo w58 wheels white wiring zerotrunks 03 ibp
  1. General Discussion
    Throwing P0300/303/304 codes for random misfire and cyl 3/4 misfire and 2 mechanics have already failed to diagnose. Car runs normal after clearing the codes and resetting ECU on cold start but codes will come back at warm start or warm idle. Warm start/idle is also very rough, guaranteed...
    is300 misfire p0300 rough idle
  2. Basic Help & Repair
    Hey I have a 2001 Lexus is300 that is now throwing a misfire code after I did some work on it. the car was leaking pretty bad out of the valve covers so I changed those and figured I’d do the plugs well I’m at it. I put NGK iridium ix plugs in and also replaced the wires with Ngk wires. The car...
    evap p0300 random misfire
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