Question about 1993 Oldsmobile Cutlass Supreme

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Car turns over but wont start, had an engine diagnosis done and was told it was the cam shaft sensor. i changed that and it still does the same thing

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I would start by checking the plugs, plug wires, fuel injectors fuel filter and the timing.

Posted on Jul 17, 2009

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  • Contributor
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If it makes a grinding noise it's the alternator which is loose check that first and foremost because that's a very common problem on older cars... then if that's not the case check the spark plugs and make sure your not drowning the engine... hope this helps....

Posted on Jul 17, 2009

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  • Oldsmobile Master
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Call a local mobile mechanic ,??ie does it spark when turned over ?? does it have fuel?? does it have a chipped key??

Posted on Jul 17, 2009

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Posted on Jan 02, 2017

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2 Answers

00 Explorer 4.0 ohv v6. If cam position sensor fails will it cause, #1 engine to die at hwy speed 60mph? Also upon trying to restart, it cranks very fast, is that poss. cam sensor failure too? Thanks


No, to the second question- sensor won't make it crank any different. Faster than normal cranking often means a broken timing belt -less friction with the valve train not moving, so engine spins faster. But you have a timing chain, right? Any engine noise when it quit at 60mph? You could watch some valve action through the oil filler cap while the engine is being cranked, to make sure the timing chain is still intact.
If all is good, check for spark and gas to the engine. If stopped while running, it could be a failed fuel pump or a problem in the ignition system- cam or crank sensor, ignition coil, ignition control module, some of the things to check if no spark.

Nov 18, 2015 | Cars & Trucks

1 Answer

I have a 0340 code for my cam shaft


Well code 340 means the cam sensor is not working correctly. The engine computer is not getting the signal it expects.
The sensor and the wiring would need to be tested.

Feb 19, 2015 | 2005 Mazda 6

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2002 free lander wont start every now and then it turns over


run fault codes and check for cam/crank position sensor. Check that the immobiliser is operational. Check that the cam shaft is turning (broken timing belt/chain)

Jul 20, 2014 | 2002 Land Rover Freelander

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Will a cam shaft senor keep my car from cranking when u cut it off I've changed both crank senor on it an it still want crank with out puting some quick start spray n it its a 2002 Buick century


when you say crank ,,, that means engine does not turn over when you turn the key to start position ,,,, as you said you use start spray this means engine is turning over ,,,,, i think you mean engine turns over but wont start,,,,,,, cam sensor will cause engine to be slower to start but you would be better to get the car plugged in to see what the fault codes are in the system ,,, also if no codes the data list of the engine sensors will show up a faulty sensor ,,, to be honest there is no point in spending your hard earned cash putting in sensors until you carry out a diagnostic check and only have to change the faulty sensor that shows up...best of luck

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Are you getting spark on any cylinders ?

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Help with my 98 camaro


hi, are you saying when you turn the key to start the car nothing happens and it dont even turn the engine over so it can try to start if you mean this then you need to start thinking of starter motor problems and replace if needed.

now if your engine is turning over but it wont fire up then this could be crankshaft sensor, faulty ecu, faulty coil, it could be a number of things you could throw money at it and not find the fault your best bet would be a diagnostic check done to see what codes where thrown up as having errors this would then give you the exact fault and would save you wasting money on parts you may not need

May 24, 2010 | 1998 Chevrolet Camaro

1 Answer

Service engine light


From the GM Factory service Manual:
P0341 - Camshaft Position (CMP) Sensor Performance
The other thing about this code, is that it can be caused by a faulty ignition module, or the cam sensor magnet on the timing chain gear, behind the engine front cover that the sensor mounts to. These possibilities would
require a bit more involved diagnosis than just replacing the sensor related
to the code.
I have done a tech. bulletin search for this code, and come up with nothing.

Again, need to get harness checked, and if wiring OK, further diagnosis of
the ignition system.

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5 Answers

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I replaced the Cam Shaft Sensor. I also cleaned the Throttle Body with carb cleaner. I had my wife hold down the accelerator, while running I sprayed down the throttle plate and the entire area around it. Now my TB finally idles smoothly, and it hasn't died yet!! Check engine light is gone and I passed the emissions test!! Yea!!!

Jul 22, 2008 | 2002 Chevrolet TrailBlazer

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