Help!!!!

[Cnmx27]

Hello new to the forum,
I have a 96 k2500 with a 350 and manual trans.
Its back fireing through the manifold between 1300-2200 rpm.
Ive replaced timing set,fuel spider,coil,distributer,plugs,wires and ecm.
Compression is 160 across the board and fuel pressure is 70. My cam is stuck at -14.
Help..... this is driving me nuts and costing a crap load. Anu help would be greatly appreciated. No check engine light and if you smash the throttle it smooths out.

 

[c1500deathtrap]

get that cam synced back up Sounds like you're out a tooth on the dizzy. Or maby a tooth off on the timing chain?

 

[Cnmx27]

Ive set the dizzy 4 times now, as far as i can tell its right. Still stuck at -14. How do ypu do a cam/crank relearn. Havr a snap-on modus scanner, it dosent have the pid for relearn.

 

[east302]

Sounds like you'd need the PID for the crankshaft position sensor relearn.

In theory, you shouldn't have to do the relearn if the sensor wasn't removed.

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Is the CMP retard at -14 degrees? Kind of surprised that isn't throwing a code.


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