- #83 of 258
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PT Cruiser Engine Problems
by pf_flyer HOST
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Jul 23, 2008 (9:46 am)
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- #84 of 258
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PT Cruiser Engine Problems
by pf_flyer HOST
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Oct 14, 2006 (6:57 am)
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Discuss PT Cruiser engine problems and their solutions here.
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- #85 of 258
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PT missfiring, engine bucking
by pseres
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Mar 28, 2003 (5:57 am)
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I have a 2002 PT Limited 5-speed with 15,000 miles on it. At times the engine missfires, and the car bucks and lurches forward. It doesn't run like this all the time, it is an intermittent problem. my observation is that it gets worse as the engine gets warmer. I have had it to the dealer twice, they reprogrammed the computer, but that didn't help. They are now recommending that I clean the fuel injectors, but clearly thay are just guessing at repair solutions. Has anyone else experienced this problem?
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- #86 of 258
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Re: PT missfiring, engine bucking [pseres]
by ptcruiser04
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Nov 07, 2004 (6:49 pm)
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Replying to: pseres (Mar 28, 2003 5:57 am)
Hi,
I have a 2004 Touring Edition Pt Cruiser with 7,000 miles. I brought it in because it also was misfiring. The dealer updated the computer and installed new spark plugs because the old plugs would not work with the updated computer program. Your dealer should know what is wrong because this is a common problem with the PT's, though they might tell you they don't!!!
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- #87 of 258
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Re: PT missfiring, engine bucking [pseres]
by kidcruiser
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Jul 25, 2005 (6:18 pm)
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Replying to: pseres (Mar 28, 2003 5:57 am)
My PT engine light come on, then it will down shift into a lower gear and won't come out of it. When I switch the engine on and off three times It give me three problem codes P1682, P1684 and P0700. Also the air bag light come on all the time. The dealer won't tell me whats those codes represent. They want me to bring the car to them. Can someone help me?
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- #88 of 258
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Re: PT missfiring, engine bucking [ptcruiser04]
by jlawyer
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Apr 22, 2006 (2:09 am)
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Replying to: ptcruiser04 (Nov 07, 2004 6:49 pm)
Have someone check the wiring to the O2 sensors. There might be a kink in the wiring, that will intermittently kill the sensors, giving the computer faulty air/fuel mixture readings, and cause this exact problem. It affects not just idle, but acceleration. What you described is exactly the problem my 2003 GT was having. Trust me, I replaced the plugs, plug wires, and the dealer still couldn't find the problem (my car spent 7 weeks in 3 months in the shop). I took it to another dealer and they found the problem only after their diagnostics found 2 faulty O2 sensors(what are the odds of that happening?).
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- #89 of 258
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Re: PT missfiring, engine bucking [ptcruiser04]
by pvman1
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Sep 14, 2006 (6:44 pm)
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Replying to: ptcruiser04 (Nov 07, 2004 6:49 pm)
I've got a similar bucking problem with my 02 PT Cruiser. Dealer can't seem to fix it and it's is driving me nuts. would like to swap some info with you, especially if you ever  nailed the problem. My direct e-mail is gceleste nycap.rr.com
Thanks,
Gene
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- #90 of 258
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Re: PT missfiring, engine bucking [pvman1]
by aurrora
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Oct 10, 2006 (9:55 am)
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Replying to: pvman1 (Sep 14, 2006 6:44 pm)
I've been having the same problem with my 03 PT Cruiser. I took it to the dealership who said that they have noticed some of the PT Cruisers running rough, but not all of them. They did a tune up and reloaded my car's computer. I just picked it up yesterday and the car seems to be running fine. Of course, nothing was covered under warranty. For $465, it better do the trick!
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- #91 of 258
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Re: PT missfiring, engine bucking [aurrora]
by ssibble
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Oct 10, 2006 (11:52 am)
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Replying to: aurrora (Oct 10, 2006 9:55 am)
I have an 03 PT and I love the car. I just started having the problem of it missfiring and bucking upon take off. I haven't taken it to the dealership yet. It started last week. I took it to a local mechanic and they said it would cost $277 to do a tune-up with spark plugs, and wires, etc. The car stopped acting up after that (check engine light also shut off). When I filled the tank with gas it started acting up again. It only last about 20 miles then it works fine again. Could it be a fuel filter (or pump) problem?
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- #92 of 258
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PT Cruiser Starting Problems
by mcampone
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Oct 10, 2006 (5:35 pm)
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