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Discussion Starter · #1 ·

i was at work and we did a complete fule system cleaning on an 03 altima..

it had just over 36000 miles on it which is what we suggest..

but after the guy left, he came back 3 days or so later with his check engine light on.

now one of the steps is that you pretty much seafoam the engine out, only you use valvoline products instead.

well it is known to throw an engine code of cylinder misfire (1, 2, 3, 4 or all.)
but this code that it threw is something that we can not figure out what is wrong with it..

heres the code, its Idle Control System RPM too High. and its on an OBDII scanner.

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