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03 Malibu Hard start/rough idle/Dies
When starting you have to give it fuel, once it turns over you have to keep the rpm's above 500 (manulally with your foot on the throttle) or it dies. Between 500 and near 1000 rpm's it runs rough but smooths after 1000. But you have to give it fuel to keep it running period.
We are pulling a code, misfire on 6. Which happens to be the same code it has pulled since before we did all of this.......
New heads and gaskets (good compression on all cylinders)
New intake valves
New plugs (good fire to all plugs)
New water pump
New fuel filter
No vaccume leaks
Ignition systems checks all good
Continues to pull only a misfire on 6 code nothing else. We are stumped. Any ideas of what could possibly be the root of our problem would be greatly appreciated. We don't know what else to try.