Could a bad Ip change timing ?

[jdeoliveira74]

Could a bad ip pump cause the engine to be way out of timing. ??

 

[patracy]

No, but a bad IP could cause it to run bad...

There's only a few ways timing can get out on the 6.2/6.5. The timing chain will stretch over time causing retarded cam and injection timing. The only other way is to have removed the pump and gear and installed any part of the timing set incorrectly. Or the cam chain. But if you did that, the valves would let you know as soon as you turned it over...

 

[TCUCV]

Could a bad ip pump cause the engine to be way out of timing. ??

Does it have a rough idle or idling to low? What brings this question up?

 

[jdeoliveira74]

well it has become very noisy here lately. well louder then usual it sounds very pingy/slappy and it has a rough idle. I changed injectors recently which solved the really bad knock at start up due to a leaky injector. I have played with timing a bit tried it a little retarted it was quieter but ran really rough and stalled. So i put it back to dead center. Its just not running right its sounds like its realy advanced thats why I asked.

 

[dstang97]

it should sound like a bag of marbles. Go 1/16 to the drivers side on the marks

 

[kipman]

Yup, try what dstang97 said, a little advanced is where mine runs best.

 

[jdeoliveira74]

will try in the am tomorrow I tried a video with my phone but for some reason when I download it has no sound.