1) Timing Chain Failure. On the 2.2 Ecotec, the timing chain tensioner commonly fails. This problem is most common for 2000-2004 models. These early model engines had a design flaw that caused the timing chain tensioners to not receive enough oil at idle.. Showing in real time. The timing and guid set up from a 2.2 ecotec engine. Thank you for watching. SUBSCRIBE If you would.

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This is for anyone with a GM car that has this motor. the timing belt tensioner does not let enough oil flow through it to get to the timing chain at idle. It is a zero tolerance motor and will destroy itself without oil. I'm just hearing about this now on a chevy forum. my car has one. be.. The 2.2 liter Ecotec engine is only one of the four-cylinder engines that GM is producing. It was designed and developed by a team of international engineers and technicians.