Engine Exhaust System Problems of Chevrolet Colorado

2010 Chevrolet Colorado 1lt. Consumer states vehicle leaks fluid three days after the consumer picked up the vehicle he noticed it was leaking fluid. He returned to the dealer to have the vehicle inspected. The dealer believed it was a seal and was leaking differential fluid. They stated the lines leading to the seal could have been damaged also. The consumer finally received a call from the dealership, stating it was in fact the seal and the part was being shipped within 24 hours. The consumer returned to the dealership the next day and was told two seals and a gasket were replaced. On March 23, 2010, the consumer had to take the vehicle back to the dealer, because the tow adaptor was broke. They ordered a new one and replaced it the next day. Also, there was a loud noise coming from the exhaust when the consumer started the vehicle. The consumer has since traded the vehicle.

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Went to dealership in san angelo TX, did diagnostic for engine light being on dealership said problem was p0017 (cam acuator) did not have the money to fix it at the time dealership said it would be ok to drive it as is. Did reasearch online and looked it up on book at auto parts store and p0017 says this "crankshaft position camshaft position correlation - bank 1 sensor b" what ever that means. But now I have major problems I still have that and a few more codes I have p0014 exhaust camshaft position timing over - advanced (bank 1), and p0300 random misfire detected.

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After about 2 years after we had the truck serviced for valve system issue which we were notified about via mail. We began having these starting issues that many of you are also describing. We took it back to dealer as it was still under warranty. We were told they needed to do a complete diagnostic on it which we could not afford. We purchased the truck in 2007 with 25000 miles and full warrantee. But diagnostics isn't part of that. So we have only recently began investigating tis issue more in depth, as we were told it was probably an intake issue or and exhaust issue. Only now are we seeing that it may be due to this passlock security issue that many of you are also mentioning. Over the years we also have experienced the same identical symptoms with cranking yet no actual start. Wait approximately ten minutes and she fires. It happened randomly at first. Then became more frequent. After fueling up etc. But not immediately after fueling. Now it has become almost a weekly occurrence. And the duration for wait time is lengthening to 20min-1/2 hr. All this time I allowed myself to believe it was something with the fuel system. . . . If this is a common problem. . . . Others need to be made aware as well. Is this a defect that was overlooked or blatantly ignored and not shared with the consumers? it does pose to be very unsafe in multiple circumstances. If this is an known issue, then why are we having to learn about it from one owner to another. Because no mechanics (dealership or other wise) has ever mentioned this as a potential issue. . . . Always the same story. Must be a different issue. . . Etc. But to realize it is a security feature gone whacky. . . . . I don't know how any of you feel. . . . That doesn't make me feel safe. Thank you all for all your help and information. . . . Thank you ever so much.