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Update on Misfire... I installed the new injectors on the 1,3,5 cylinders, cleared codes took for a 20 mile drive codes stayed gone and no check engine light. Runs good. I hope this works, so nerve racking when an issue pops up. Thank you for all the help and ideas.

I did that with the new injectors when I had them installed. Didn't notice power loss except taking off from the stop, it hesitated for a brief second but ran great while driving, wot ran great, passing gear with down shifts ran smooth.

Ok I will do all this again one more time and I will let you all know what happens. Thank you!!

Yes it ran perfect with those 3 codes P0172, P0175, P0513. The misfire was gone

So your saying put the new Bosch Injectors back in, reset the ECM as per the forum and run it for a few days?

Yes

I took each connector apart looked with a light for corrosion or anything that would make the connection bad. Everything looked good.

No it did not say what cylinders were rich just P0172, P0175, P0513 codes

The O'REILLY guy didn't hook it up, I did. Yes it gave me the code for Misfire #3 the first time. 2nd time with Bosch injectors it said P0172 - fuel systemRICH. 1/1 rich, P0513 - invalid SKIM key, P0175 - fuel system 2/1 Rich.

Wouldn't you be worried about too much fuel and washing out a cylinder or valves?

Hello, It started one morning driving my wife to work, on the Highway to work the check engine light lit up, huh ok. I stopped to drop her off and noticed it running rough. So I drove to O'REILLY auto parts to use there scanner. It said #3 cylinder misfire ok fine. With 47,000 miles I will just...