Question about 2001 Chrysler PT Cruiser

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2001 Chrysler PT Cruiser No start - No fire Ciodes p0320 & p0340

The other night my wifes car died on her. We got it back to the house, and I started working on it. On first check I turned the key to on three times and pulled these codes for engine speed circuit and Camshaft position sensor. By doing a check on the plug wires, I found no spark going to the plugs. I replaced the camshaft position sensor, crankshaft position sensor, and the coil/module pack. Still, nothing. It turns over and over, but no fire. We recently had the transmission rebuilt and while I was working on it, it looks like a large bracket (a large wiring harness is attached) that was supposed to be reatached to the transmission bell housing with the trans mount bolts, is just laying on top of the transmission. I am starting to worry there about a short in this harness. Is there any ignition system wiring in that harness? A few years back, I had a Dodge Dakota that had somewhat of the same problem. That turned out to be a 25 cent screw for a ground wire in the fender. Have I got the same problem here? Seems to me that if it were the cpu then more would have gone out than engine speed sensors. This problem seems to be isolated to these sensors. We have four kids, and my wife desperately needs her car for work. Could anyone PLEASE help me here?

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  • brodas3 Apr 26, 2010

    Yes, I'm afraid of it being the pcm. I did think though that if it was the pcm, There would be more acting strange than an isolated problem with the engine electronic management controls. Yesterday, I put a tester on the coil harness and found the middle node hot. That made me suspect the coil. Tried that, its not it. Tomorrow I'm climbing up under it and checking out this harness they didn't reattach. I have a feeling thats got something to do with it. Everything with the car has been fine to this point. Thank you for the reply. I'll be working on it tomorrow. I'll let yu know what I find. Thanks again!

    Ken

  • brodas3 May 01, 2010

    Well, I finally got it. The harness bracket that they didn't reattach was holding a wiring cluster up. There is a cluster of wires in heat wrap running under the exhaust manifold. This also contains the wiring for the crankshaft position sensor. On inspection I found that this cluster of wires had been laying on the passenger side half shaft, right on the inner cv boot. It had wore through the heat wrap, the insulation, and through the wires. Namely the CPS wire (orange). Reattached wire and she fired right up! Now I have to go back up to the shop that did the transmission and have a little talk about this bracket. Also, I didn't know otherwise, and I pulled the cruiser home with my diesel GMC Suburban. We hooked it up, put the transmission in neutral and I pulled it at about 25-30 mph for 12 miles. Now I find out that the newly rebuilt transmission is leaking slightly from about every orifice. After talking to a service guy at the local dealer, they tell me you cannot pull these cars with the front wheels on the ground even with it in neutral. I have never heard of this in my life! What's the trans shop going to say when I take it back to them with the bracket issue and the trans leaking. My feeling are that they caused the problem that led to me having to pull it home in the first place. Shouldn't I expect them to fix both issues?

    I also found, while under the vehicle another issue I was a lot more prepared for. After having the trans rebuilt, it was still shifting very hard into 3rd and overdrive. I took it back to the shop three different times. They kept telling me that that was just the way these cars shifted. I worked at a dealership where my main job was spinning incoming used cares, evaluate them and then set-up repairs in shop or farming it out - ultimately getting them out to sell. I spun a lt of these cruisers and never had one shift like that. While under the car I found a completely busted motor mount! Shouldn't this have been something that they should have caught? Maybe I'm being to picky, but I paid a lot of money to have this car gone over and fixed, and I don't think I got what I paid for. God I hate having my cars fixed by anyone else but me. I tremndously appreciate your time and help. Sure am glad it wasn't the computer! Wife's VERY happy!

  • brodas3 May 01, 2010

    BTW the new motor mount fixed the hard shifting. More like a "rebound" shift. Now she shifts smooth as silk. BIG difference!

  • brodas3 May 01, 2010

    This is why I hate letting anyone work on my cars. That night that I had to pull it home, we had no other choice. We had three cops there and they were telling me that if I didn't get it outta there they were going to impound it. We didn't have tow truck money that night, so this was the best I could think of. I've never heard of any car you couldn't pull in nuetral! This is definitly a first. Me, I'm a GM guy - sometimes Ford. I've never had anything but problems and confusion with Chrysler cars. Oh well, she drove it to work this morning and she's exstatic! You have been extremely helpful. I greatly appreciate it.

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  • 291 Answers

FIRST THING IS TO LOOK OVER THE WIRING HARNESS REAL GOOD. THE MAIN PROBLEM WITH NOT MOUNTING IT BACK WOULD BE THEHARNESS RUBBING ON BLOCK WHICH WOULD SHOW PHYSICAL SIGNS..IF YOU DID REPLACE THE CAM AND CRANK SENSOR MAKE SURE THEY ARE OEM ONLY..AFTER REPLACING PARTS AND CLEARING THE CODES WHAT CODE IF ANY NOW SHOWS UP AFTER CRANKING THE CAR...IF SAME CODE TIM ETO SUSPECT THE PCM.. POWER CONTROL MODULE.. MAIN BRAIN..NOT GOOD LET ME KNOW

Posted on Apr 24, 2010

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  • kevin butler Apr 26, 2010

    no problem,, yes definately rule out the harness first..even bend it to see if you hear cracking sound.. sometimes this will indicate excessive heat.. might even open up harness for visual...and i have replaced several pcm with exact problem, you mention...it is costly so i would hate for you to spend money with an over internet advice..

  • kevin butler May 01, 2010

    glad to hear it is running..the bracket and wiring harness you definately should be compensated.. as far as towing it causing leaking, it will be based on the morals of the shop..that can go either way... you should have had it towed by a towing company with insurance...you can also just not mention towing and just complain of it leaking...you are not a 110% sure that towing caused it..

  • kevin butler May 02, 2010

    brodas3 was a very smart person made working with him very easy.. thanks for the compliments will help any time you need

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