Question about 2005 Saturn ION
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Posted on Jan 02, 2017
SOURCE: Random Cylinder Misfire
Get a Haynes manual for your vehicle and use the troubleshooting guide there. about $20 from amazon, auto parts store or haynes.com. This WILL save you time and shortcut this and any future diagnosis. Haynes IMHO are top notch and I like them better than some factory service manuals that fgo for $100 and more.
David, 99 Saturn, Cam position sensor codes seem to indicate a engine timing (not spark, but crankshaft/camshaft sync). Old timing belts or worn tensioners can cause belts to jump a tooth or two which can have a pretty dramatic effect. The belt could also be old/dryrot and have lost a tooth or two causing it to jump. If any of these are the case, or if the timing belt interval is near, replace timing belt, tensioner, idler roller if present and water pump. FYI, quality OEM ignition wires shold last at least 10 years. If they are really bad, you can open the engine compartment on a dark night and you will see sparks arcing between them and/or something metal nearby. We all replace wires when we are not sure what the problem is, and regardless of what anyone tells you, it only rarely solves anything unless the car is more than 10 years old.
Posted on Oct 30, 2008
SOURCE: high idle and misfire cylinder 1
This could have several causes however the most likely cause is either a throttle positioning sensor or the mass air flow sensor is bad. To check either of them you need to have an OBDII scanner that can read voltage. It would be best to send it to your local GM tech to have them do an onboard diagnostic rather than spend alot on parts that may not solve the problem.
Posted on May 21, 2009
the first thing to do is scan the computer for codes,also when the module was installed did you clean the mounting area good? the next thing i would look at would be the crank sensor, also theres a reprogram on these cars,the dealer needs to install or update a computer progranm on some of these, you would have to call with the vin #, this doesnt affect your nostart condition, its just something you should have done,
Posted on Mar 07, 2010
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