switched 2006 optima engine with a 2007 same 8th vin


Asked by Nov 09, 2015 at 10:52 PM about the 2006 Kia Optima LX

Question type: Maintenance & Repair

after swapping engines and reconnecting electric and fuel it runs v rough
cylinder 1 and 2 hold 150 and 90 psi. after car warms up 3&4 headers are v
hot but 1 not really and 2 so so. switched the 3in + cam sensor by the power
steering mount. i did break the connector to the cam sensor and it seems to
get better for a second when i giggle it.

3 Answers


no, not before i bought it. others at 150psi. i am not so worried about the one cylinder as #1 and 2 not really working and 1 is worse than 2. 2 is the one with only 90psi.

1 people found this helpful.

it is showing a po0076 code which say that the oil control/variable valve control solenoid/variable timing solenoid is most likely sending the wrong pulse to the solenoid. the connector has been broken and that may have something to do with it. but also perhaps the ecm needs to be programmed or flashed with the installation of the newer engine. any response? and i really appreciate your help!


as it turns out there was a small bit of seal left on the intake mount leaving a gap. now running beautifully on all 4 cylinders. ugh! and yay!

1 people found this helpful.

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