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2005 pt cruiser gt misfiring and bucking

21 messages,  Last post on Feb 09, 2013 at 7:23 AM

You are in the Chrysler PT Cruiser Maintenance & Repair Forum.

What is this discussion about? Chrysler PT Cruiser, Auto Repair, Electrical, Engine

Messages Page 3 of 3

#12 of 21 bad sensor by oemautosound

Dec 05, 2011 (10:31 pm)

pt cruiser gt 2005 55k miles same problem misfire check engine light on the next day is OK
3 day later check engine light is on again i turn on and off the ignition 3 times to get the computer codes and i got two misfire cylinder 1 and camshaft sensor
i purchase one form the auto parts and replace it my self problem solve for 3 months
doing the same again this time i purchase the sensor from the dealer is been 4 months
 
normal problem in our vehicles camshaft and crank shat sensors buy mopar only from the Chrysler dealer
don't lose money like i did

#13 of 21 Re: bad sensor [oemautosound] by sllackey

Dec 13, 2011 (6:31 pm)

Replying to: oemautosound (Dec 05, 2011 10:31 pm)
Even after replacing our cam shaft sensor with a Morpar brand, it started again. This time we took it back and found out the timing belt had skipped a tooth and was causing all the issues. Sometimes it would run and sometimes not. Could only go about 10 miles before it would act up, now it seems i can drive forever, no problems so far. I have heard that it is a PT problem that hits about 100k miles, we made it to 116k.
 Good luck,

#14 of 21 Re: bad sensor [sllackey] by babyfer73

Jan 04, 2012 (6:03 am)

Replying to: sllackey (Dec 13, 2011 6:31 pm)
I have had the same problem and was told that it was the cam shaft sensor. The light comes on and stays on. Last night though it did something different. The car was cold (only 20 degrees outside) and it started up rough (no check engine light) and then the check engine light flashed 4 times and then went out. What worries me is that then the thermostat went up to the halfway mark (usually runs the 1/4-1/3 mark when warmed up). There is no way the car was warmed up that quick. It was still blowing cold air out the vents too. Anyone else have this problem?

#15 of 21 bucking jumping stalling by ptloser1

Jan 04, 2012 (12:27 pm)

two days ago i was afraid to drive car because of performance. last night the temp got down to about 25 degrees here in tampa area. this morning check engine light was off and car ran perfectly seemed to have more power than ever. i noticed this last year when temp went down. maybe someone can use this info.

#16 of 21 Re: bucking jumping stalling [ptloser1] by pt_gt_315000k

Jan 13, 2012 (6:29 pm)

Replying to: ptloser1 (Jan 04, 2012 12:27 pm)
This problem drove me nuts for almost 2 years the warmer the weather the worse it got. No one could figure it out! Lots of money wasted.
The solution was to apply conductive cream to the spark plug wire connections at the coil and the spark plugs.
I now do this at every oil change as the cream dries over time .
Never saw the problem again.

#17 of 21 engine misfiring . by delchar34

Feb 09, 2012 (1:00 pm)

I have PT Cruiser 2005 GT.. w/85k ..getting code P171, have replace TIP , MAP, both Oxygen sensors, fuel line, thermostat, spark plugs and wires. Ran BG44K also replace upper and lower
intake manifold gaskets. took to dealer they not sure either . Was told might need a valve job
but not sure. Does anyone have any ideas or thoughts. with all replaced and money spent not
getting any where.. could it be the turbo ?? thanks for any help

#18 of 21 Re: engine misfiring . [delchar34] by sllackey

Feb 13, 2012 (10:12 am)

Replying to: delchar34 (Feb 09, 2012 1:00 pm)
After we replaced most of the same stuff you did and it was still doing it, we took it to an auto electrics specialist. It turned out to be the timing belt. Looking back on several of the diagnostics printout, it was listed at the bottem of the list as a possible. It was a little expensive but the problem has gone away.

#19 of 21 misfiring in # 4 cyc by grew

Jul 10, 2012 (3:35 pm)

We noticed that the check engine light stayed on and we had it checked out and they said the number 4 cyl was miss firing. We changed the plugs and checked the wires and that did not fix it so we took the car to the dealer and they said the problem was in the heads, possible cracked some placed. we have less then 100,00 on this car, why would the head crack with such less miles. Are there any recalls for this.

#20 of 21 Re: misfiring in # 4 cyc [grew] by tammiterrell

Jul 11, 2012 (1:10 pm)

Replying to: grew (Jul 10, 2012 3:35 pm)
No recalls that I can find but this car is known for electrical problems. I brought my car in 2009 and I have had to replace the cam shaft and crank shaft 3 times due to the car misfiring when pushed to 2rpm. I still owe $5,500+ on the car. It is just not worth it anymore. I am ready to surrender the car to my finance company if I cant find a dealership to take it. I hate this car!~

#21 of 21 Re: 2005 pt cruiser gt misfiring and bucking [maiajoi] by ptlover45

Feb 09, 2013 (7:23 am)

Replying to: maiajoi (Mar 24, 2010 3:37 pm)
MY 2007 PT non-turbo did the same thing at about 18K miles. It was the camshaft positioning sensor. It is a $65 part. I had it replaced under warranty. Knowing what it looks like and how easy it is to replace, I will replace it myself next time. It involved removing two screws and an electrical lead- no biggie. Do not buy after market replacements. From what I have read online, owners who have done that, got poor results. Get the part from the dealer- It is one of the cheapest and simplest fixes you can do to your PT. Good luck.

Messages Page 3 of 3

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