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06 PT Cruiser Troubleshoot

 
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  #1 (permalink)  
Old 04 Sep 2016, 10:40 am
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Location: Taylorsville NC
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Exclamation 06 PT Cruiser Troubleshoot

Hello new to the forum. I purchased a 2006 PT Cruiser (not sure what trim if it matters) with 122k for $600. Guy said it has a misfire so I went to advance auto and ran a CEL test no codes had a guy look under the hood he said he was a master tech as well so I figured what the hell. He noticed one of the head bolts had fluid in it and was bubbling. Said there was a possibility it could be a head gasket. Also when he started it it made a screeching sound for a second and there was a puff of smoke from where the oil cap was. Took it to the local shop and they ran a compression test and other stuff and told me it is a misfire on cylinder 3 and to replace the ignition coil. Drove to a a friends house and drove up the hill to their house and there was smoke coming out the vents and I had the AC on and it had also a sweet honey type smell coming out as well... Open the hood and there was coolant on a couple things (I think it might've sloshed out the little tube off the side of overflow tank) let it cool down for 3-4 hrs and the level was still full in both the overflow and the radiator. Drive 6 miles to dinner and temp gauge was fine moved to the half mark for a little bit then went to right back below. Them went over to Walmart left there backed out of my parking spot and put it into drive and it sputtered forward and it died right out started it again and was fine. Stopped for gas and the coolant level in the overflow was at low. Filled with water and went 30+ miles home and temp gauge was fine the whole way didn't move a millimeter... Any thoughts?

(Sorry for the long explanation just my GF is freaking out and I'm hoping it's not a head gasket as I just got back to work)
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Old 04 Sep 2016, 10:51 am
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Join Date: Jan 2014
Location: SW PA
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Default Re: 06 PT Cruiser Troubleshoot

Quote:
Originally Posted by BlackyChan91 View Post
Hello new to the forum. I purchased a 2006 PT Cruiser (not sure what trim if it matters) with 122k for $600. Guy said it has a misfire so I went to advance auto and ran a CEL test no codes had a guy look under the hood he said he was a master tech as well so I figured what the hell. He noticed one of the head bolts had fluid in it and was bubbling. Said there was a possibility it could be a head gasket. Also when he started it it made a screeching sound for a second and there was a puff of smoke from where the oil cap was. Took it to the local shop and they ran a compression test and other stuff and told me it is a misfire on cylinder 3 and to replace the ignition coil. Drove to a a friends house and drove up the hill to their house and there was smoke coming out the vents and I had the AC on and it had also a sweet honey type smell coming out as well... Open the hood and there was coolant on a couple things (I think it might've sloshed out the little tube off the side of overflow tank) let it cool down for 3-4 hrs and the level was still full in both the overflow and the radiator. Drive 6 miles to dinner and temp gauge was fine moved to the half mark for a little bit then went to right back below. Them went over to Walmart left there backed out of my parking spot and put it into drive and it sputtered forward and it died right out started it again and was fine. Stopped for gas and the coolant level in the overflow was at low. Filled with water and went 30+ miles home and temp gauge was fine the whole way didn't move a millimeter... Any thoughts?

(Sorry for the long explanation just my GF is freaking out and I'm hoping it's not a head gasket as I just got back to work)
Welcome to the forum for Western PA...

The radiator coolant fan is two speed, low for radiator and hi speed if your running the AC. They last about 100,000 miles, low speed (under 35mph) off at high way speed because air flow is enough to cool radiator)
When they start to fail, they will intermittently run causing difficulty
diagnosis .
New fan assembly can be purchased for under $100 and with very few tools can be installed in 90 min or less.
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Old 04 Sep 2016, 10:52 am
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Default Re: 06 PT Cruiser Troubleshoot

How many miles?

I would suggest a coolant pressure test done first. Make sure the engine coolant system is sealed. If not find out where its leaking.

What was the result of the engine compression test?

Did they show you what the spark plugs look like when they took them out?

Did the previous owner say anything about the previous problems with the PT Cruiser?
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Last edited by ptcruisersteve; 04 Sep 2016 at 11:00 am.
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Old 04 Sep 2016, 10:56 am
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Default Re: 06 PT Cruiser Troubleshoot

It has 122,558 miles. The only thing the owner said (car dealer) was that it had a misfire. I took it to the mechanic shop they ran a compression test and a couple others and said it was the misfire on cylinder 3. I assume if it was anything to do with a head gasket they would say something or maybe I'm not asking the right questions? There's no white smoke coming out the tail pipe, no milky residue in oil or coolant... I'm just stumped... There's no leaks on the ground anywhere :/
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Old 04 Sep 2016, 11:07 am
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Default Re: 06 PT Cruiser Troubleshoot

Quote:
Originally Posted by BlackyChan91 View Post
It has 122,558 miles. The only thing the owner said (car dealer) was that it had a misfire. I took it to the mechanic shop they ran a compression test and a couple others and said it was the misfire on cylinder 3. I assume if it was anything to do with a head gasket they would say something or maybe I'm not asking the right questions? There's no white smoke coming out the tail pipe, no milky residue in oil or coolant... I'm just stumped... There's no leaks on the ground anywhere :/
Was that a engine compression test? If so what was the results?

Did they fix the problem with the cylinder 3 misfiring?

I would also suggest you check the temperature gauge. Make sure its working properly and that you are not overheating.
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Old 04 Sep 2016, 11:28 am
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Default Re: 06 PT Cruiser Troubleshoot

They didn't even tell me anything about the compression test other than they ran one... I gotta schedule a appointment to do the ignition coil to *fix* the misfire... I was told that a misfire could be a sign of a head gasket as well... The temp gauge has been working fine... Takes about 10 mins of driving and stays around right below half
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Old 04 Sep 2016, 11:40 am
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Default Re: 06 PT Cruiser Troubleshoot

Quote:
Originally Posted by BlackyChan91 View Post
They didn't even tell me anything about the compression test other than they ran one... I gotta schedule a appointment to do the ignition coil to *fix* the misfire... I was told that a misfire could be a sign of a head gasket as well... The temp gauge has been working fine... Takes about 10 mins of driving and stays around right below half
The ignition coil going bad is very very rare and usually involves 2 cylinders misfiring or not firing at all. I would look at other possible causes before thinking of replacing the ignition coil.

The engine compression test results are extremely important. Is there any chance you can find out what the test results was? If you have enough difference in engine compression it will cause the misfire.

The coolant smell coming out of the A/C vent might be coming from the heater coil. Do you have coolant leaking on the passenger side floor? I would suggest a coolant pressure test to see if you have coolant system leak.

Where was the location of the fluid in the head bolt that was bubbling?

There is a good chance you have more than one problem.
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Last edited by ptcruisersteve; 04 Sep 2016 at 11:52 am.
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Old 04 Sep 2016, 12:05 pm
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Default Re: 06 PT Cruiser Troubleshoot

No leaking fluids on passenger side that was the first thing I looked for... I will try to get the results of the compression test as soon as possible they are closed on weekends sadly...
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Old 04 Sep 2016, 12:07 pm
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Default Re: 06 PT Cruiser Troubleshoot

The head bolt right by the oil cap has a bit of fluid in it I am pretty sure its coolant my uncle dipped a finger in it and he said it feels slick like oil...
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Old 04 Sep 2016, 12:13 pm
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Default Re: 06 PT Cruiser Troubleshoot

Welcome to the forum

Does the dealer have any information on the car if the timing belt work had been done?
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