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P0068 Diagnostic Trouble Code Discussion for April 2010

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Trouble Ticket Help Requests for DTC P0068
Help Request Posted
2005 Chevrolet Aveo LT 1.6L Poor Idle Quality, Surge, MIL Lamp on, Idle flactuates VIN: KL1TG52615
P0068: Low Map Vacuum Signal. Vehicle came in with busted timing belt and shewed up idler pulley, Obviously, all the valve bent on the cylinder head. After installing a good used cylinder head (had about 70K miles on the used cyl.head), new timing kit (with tensioner and idler pulley, and...
April 01, 2010
2005 Chrysler PT Cruiser Classic 2.4L Surge VIN: 3C8FY58B35
P0068: MAP/TP Sensor Correction. ... non turbo that customer brought in for intermitten surge at idle and highway. Has got code p0068. Checked map with scanner and shows ok 4.5 volts koeo. Idle 1.5 volts. Tps shows no voltage on Genisys scanner. I replaced tps and had same thing. What is odd ...
April 09, 2010