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Originally Posted by Antigenus
Doug you are the man, im gonna do that. My dad owns a water systems company and we have multiple copies of all those tools you described. I will clean them and test them asap. Is this whats is leading to my rough idling? (besides the huge hole in my exhaust) or should I replace the injectors also?
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Test,
THEN clean
I would change one thing at a time and reset the ECU in between.
As for a rough idle, that can be caused by many things. Vacuum leak, fuel system problem (not necessarily injectors), clogged throttle body, etc.
I highly doubt that at idle, an exhaust leak after the O2 sensors would have any affect on idle performance.
You car would probably benefit from a total fuel system service. Call around to the shops and see who performs the following:
Fuel pump pressure AND volume test.
Pressure regulator test.
Isolated fuel line cleaning.
De-carbonizing through the fuel injector rail and intake.
Not many shops get that involved with a fuel service but it will breath new life into your engine if they do.
Doug