11/27/2023 0 Comments 2007 saturn aura engine diagram![]() have you had it scaned for code's.?be advised that sine 05-07 across all gm lines there are 3 types of dtc's type A that set a light right away.type B that depending on the subsystem may or may not ever set a ses lamp on (a vtd/security signal performance code comes to mind) and a type C that will never set off a light but will play havoc with subsystems.querry when you start it the 2nd time are you shutting the key off and turning it back on&cranking or do you leave it in run and crank again.?. sounds more like a bad purge solinoid allowing engine vacum to pull gas vapors from the charcoal cannister. also is this every time or only intermitantly?.and to be clear it does crank but doesn't fire up,but does fire up on the 2nd attempt. also if it won't crank but you have dash lights ,but on the 2nd attempt it does cranks and start(this is where it makes a difference as to push button or key as the comunication protocals are different between the 2). do you have a push button start or a standard key cyclinder?. Not knowing for sure as i haven't seen one doesn't mean in gm's world it does not exist. ![]() It may help to provide more info car mileage, maintenance done, parts replaced. Whether your replacement works without needing a relearn procedure is up to you and what occurs after replacing it. Be forewarned, the service manual states a scantool (GM's Tech II, not yours, mine or anyone's scantool) is needed to perform a crank relearn procedure. The drawings below should help if you decide to try replacing it. You haven't described one of these symptoms. Starting up won't be possible until the engine cools off and the cycle begins again with engine heat killing the faulty crank sensor. Intermittent crank sensor failure occur with engine heat as engine heating occurs a faulty crank sensor will fail with the engine dying, requiring rolling the car off to the side of the road. The starter can crank the engine over until the battery dies but the engine will never fire up. Outright failure results in the engine never firing up. In other forums here, there are only two symptoms of crank sensor failure, outright and intermittent. The first video covers diagnosis, tips and information to ensure a successful repair.īoth videos apply to 2.8, 3.0, 3.2 and 3.6L GM engines from 2007 to 2021 in some applications. This is the second video in a two-part series. This video covers the removal and installation the timing drive system in General Motor’s HFV6 (High-Feature) engine utilizing Cloyes aftermarket replacement kit: 9-0753S.
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