Puzzling starting/idle problem

Tiny
JEFF RION
  • MEMBER
  • 2005 CHRYSLER PT CRUISER
  • 2.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 132,000 MILES
My car is a five-speed non-turbo. I am having some difficulty starting it as of late. It will crank and crank for fifteen to twenty seconds and finally start. Then if you are at idle it will occasionally die. While driving down the road I have no problems. Before this problem developed I had performed the following repairs. New plugs and wires, cold air intake, flow-master muffler, new alternator, new CV joints, new control arm, new sway bar bushings, new fuel pump assembly. I have a 180 degree thermostat, but have not added it to the car. I am still debating if I should. I bought a Diablo trinity performance programmer, but it does not work for my vehicle so I will be returning it. Are the problems I am having coming from my modifications? Do I need to get the car tuned to eliminate my hard starts and occasional loss of all power. When dies at idle or low rpm's it is just like everything shuts down goes off. Could it be the ECM?
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Saturday, July 23rd, 2016 AT 6:47 AM

11 Replies

Tiny
SATURNTECH9
  • EXPERT
Have you checked the car for codes yet?
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Saturday, July 23rd, 2016 AT 5:52 PM
Tiny
JEFF RION
  • MEMBER
There is no check engine light on, it has flashed when problem first started, but now does not.
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Saturday, July 23rd, 2016 AT 5:57 PM
Tiny
SATURNTECH9
  • EXPERT
With it flashing that usually means you have a misfire bad enough to damage the catalytic converter. Do you have a code reader scanner that can read live data stream?
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Saturday, July 23rd, 2016 AT 6:04 PM
Tiny
JEFF RION
  • MEMBER
Not one that live streams data unfortunately. The Diablo trinity would but does not work for my car.
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Saturday, July 23rd, 2016 AT 8:14 PM
Tiny
SATURNTECH9
  • EXPERT
Have you tried to read codes yet? I was asking about the data stream so you could see how accurate the coolant temperature sensor is reading. Also possible that the fuel pressure might be bleeding down when it sits.
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Saturday, July 23rd, 2016 AT 8:28 PM
Tiny
JEFF RION
  • MEMBER
I just replaced the fuel pump assembly which contains new pressure regulator and filter. It is not as hard to start now, but the problem continues, it only is hard to start or will die at idle.
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Saturday, July 23rd, 2016 AT 9:03 PM
Tiny
SATURNTECH9
  • EXPERT
I have seen injectors bleed down also I would check the coolant temperature sensor. Is there ever any smoke when it is hard to start from the tail pipe?
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Sunday, July 24th, 2016 AT 7:35 AM
Tiny
JEFF RION
  • MEMBER
No, it is not smoking. I got the car at 80,000 miles, and only maintenance has been oil changes, and doubt much maintenance before I got it, as most of the parts I have replaced have been factory originals, but I am now going to be commuting eighty miles daily so need it dependable.
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Sunday, July 24th, 2016 AT 8:13 AM
Tiny
SATURNTECH9
  • EXPERT
Check out that coolant temperature sensor they can cause starting issues.
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Sunday, July 24th, 2016 AT 8:26 AM
Tiny
JEFF RION
  • MEMBER
I do have a 180 degree thermostat, would I be better off with that from the stock?
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Sunday, July 24th, 2016 AT 10:12 AM
Tiny
HMAC300
  • EXPERT
Jeff what part are you missing? Saturn tech has stated in three replies to check coolant temperature sensor and you have not sent anything back if its good /bad or indifferent. As temperature increases resistance should decrease.
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Sunday, July 24th, 2016 AT 11:58 AM

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