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My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

 
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Old 18 Dec 2014, 11:10 pm
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Default My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

I told you good folks I would have many questions.
Ok I replaced battery and terminals yesterday.
Of course it cleared the check engine light. Started and ran great around town.
Starter, alternator, voltage reg all tested perfect at the local Oreilly's
This afternoon we drove it an hr to our closet discount tire store.
Got a fresh, spanking new set of Michelin all weathers. (expensive!)
On the way back at 45mph got a quick little bogdown and the engine light came on.
Then....it started flashing. So we pulled over and turned the motor off,
and I did the key thing and got 2 codes P0300 and P0335
when finished it said done and the engine light started flashing again.
I turned the ignition and it was slow to start without a pump on the pedal.
When it did start, it was a rough idle and if I revved up to 2krpm, it just felt worse.
Engine light started flashing again.
Waited 2-3 mins then did the key thing again and got the same 2 codes.
Started it up again and engine light was still on, but not flashing.
This time its idling smoothly and revved it a little and its normal.
Drove another 22 miles home without a hiccup.
I looked up the codes here on the forum:
P0300 Engine Misfire Detected
P0335 CKP Sensor A Circuit Performance

Ok guru's, help me out here please.
I ordered an OBDII scanner, but it wont be here for who knows how long this time of year.
Any advice? Should I get it to a doctor?
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Old 19 Dec 2014, 12:05 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

I would suggest your crankshaft sensor might need to be replaced or the wiring going to it is bad. Check the crankshaft wiring to make sure the wiring is not shorting to the engine block and that the wiring connector is good.
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Old 19 Dec 2014, 12:05 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

P0335 is Crankshaft Position Sensor...
This will put your PT in limp mode & will not let RPMs go above 2500.
Sometimes the P0335 Crankshaft Position Sensor is really a P0340 Camshaft Position Sensor...sometimes they will throw each others codes.
What you want to try before replacing the Crankshaft Position Sensor is to...


Unhook the battery, than unhook the Camshaft Position Sensor plug & plug it back in..make sure it's in tight & you set the red locking tab. Also, follow the plug down about 10" or so making sure it's not melted or damaged in anyway.
Hook the battery back up & drive it for about 30 min. If you get the code again, do same with the Crankshaft Position Sensor...unhook the battery & than unplug sensor & check plug. The Crankshaft Position Sensor is delicate, be careful unplugging it.

Camshaft Position Sensor is located on the right side of valve cover (Easy).


Crankshaft Position Sensor is above the starter (Not so easy).
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Old 19 Dec 2014, 12:37 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

I agree with the advitice you've been given....
Both cam and crank sensors control ignition, hence the misfire code.
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Old 19 Dec 2014, 02:07 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

Thanks for the advice. I shall try to check these tomorrow.
My mechanic who works on my 96 Grand Cherokee Laredo
AKA "Mystery Machine" due its' electronic gremlins,
wants to look about and see what's going on. For free.
He's honest and always gives us great prices on his work.
He works out of the back garage at our local NAPA store.
He says that getting Mopar parts is very important with these.
Anybody here back that up?
Also, is it a good idea to use electronics contact cleaner on those connections?
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Old 19 Dec 2014, 03:30 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

Most here will agree with using Mopar sensors being the way to go..
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nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge."
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'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler. Mods: E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar.
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Old 19 Dec 2014, 11:42 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

Quote:
Originally Posted by adz20mark View Post
He says that getting Mopar parts is very important with these.
Anybody here back that up?
There's thread after thread complaining about aftermarket sensors.
And wiring.
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Old 20 Dec 2014, 12:29 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

Update:
So today my mechanic has the flu and can't get to my cruiser issues until next week.
I drove the car a few miles after looking around a bit under the hood and under the chassis.
It started fine and ran fine (engine light on from yesterday)
All of a sudden while cruising at about 45mph I got a pretty substantial shudder and lost a lot of power.
I pulled over and let the car idle just to see if it would. It was a rugged idle and would not let me rev over 2500.
I turned the car off, and since I was down to a half tank of petrol, I added another full bottle of B-12.
I key checked and the same codes again 0300,0335.
Then I started it up and the engine light went off and it ran normally.
I headed for home and after about 5miles it gave the shudder, engine light, blinking engine light.
So i rolled down all windows and didnt smell anything temp gauge was fine so I gentled it home at a low speed.
When I got it parked I got under right away and nothing was any hotter than normal.
But I definitely felt like it was missing and was sounded like very small backfires.....
My napa store manager invited me to come up tomorrow and he will scan it have a look about....
He also was amused to tell me that my cruiser is a dodge neon in a fancy box.....
I told him his mother is ugly
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Old 20 Dec 2014, 05:51 am
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

I still say it's the Camshaft Sensor, even though you don't get that code.
Usually if it is the Crankshaft Sensor, the car doesn't start.

When it does get fixed, you'll notice a big difference is gas mileage...your getting great mileage now, you'll lose a little bit of that when you can drive over 50
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Old 20 Dec 2014, 12:11 pm
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Default Re: My Continuing Saga Of Owning a PT Cruiser. Got codes now, need advice again...

Quote:
Originally Posted by LionPT View Post
I still say it's the Camshaft Sensor, even though you don't get that code.
Usually if it is the Crankshaft Sensor, the car doesn't start.

When it does get fixed, you'll notice a big difference is gas mileage...your getting great mileage now, you'll lose a little bit of that when you can drive over 50
Yeah, I watched the vids. The camshaft sensor looks totally do-able by me.
Crankshaft sensor? Not so much. (I would attempt though).
Just watched a vid on changing plugs/wires and holy moly!
Is there any ummm, simpler way to do that task for a guy that tends to
forget which connectors go to where when it's more than 3?
The manager at our local NAPA store said he thought I'd be able to do it.
I think he has me confused with my wife..LOL
He told me to bring it down and he would scan it for me today.
He also thinks it's the camshaft sensor, said he sells a lot of them.
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