Question about 2005 Chrysler Pacifica

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2005 Chrysler Pacifica hesitating on acceleration

We just got our 2005 Chrysler Pacifica repaired. The dealership replaced the oxygen sensor to the tune of 250.00... The auto is still hesitating when you accelerate. Any suggestions?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: engine rattles at acceleration and hesitates

This sounds like your ignition timing is awry. You'll need a timing light to verify if this is correct. If that's OK the your valve clearances may be a little loose.

Posted on Jul 21, 2008

  • 48 Answers

SOURCE: hesitation acceleration

have you checked the fuel injector? if enough fuel is not getting through when accelerating it could "choke" causing the hesitation

Posted on Mar 01, 2009

turo1000
  • 18 Answers

SOURCE: program instruction garage door opener in 2005 chrysler pacifica

if your garage motor have rolling codes you need to put your car inside garage near the motor leave ignition on go to the motor locate learn button press it then quickly go to the car and press and hold one of the buttons for approximately 30 sec or until it start blinking rapidly, if you have a regular motor take one hand held opener go inside car ignition on same time press open button on handheld remote and on the car button 30 sec and it should be programmed.

Posted on May 18, 2009

  • 2039 Answers

SOURCE: My 1991 Toyota has acceleration hesitation

check rom the air fiter box there a air hose that goes to engine check if that air duck hose is not crack or broken repair with electric tape if broken or crack if everything goes fine after the repair change that hose or leave it like that with a few layer of tape its a cheap repaIR THANKS PIERRE

Posted on Jul 30, 2009

carlsbiz
  • 1124 Answers

SOURCE: Acceleration slow or choppy

A tune up is a good idea.. Also depends when the last tune up was..
And yes - spark plugs are included in a tune up..

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Posted on Aug 06, 2009

Testimonial: "Got spark plugs changed and hesitation has stopped. Thank you."

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1 Answer

I have a 2005 Chrysler pacifica. Today it hesitated and stalled almost 2 miles from home . It would jump to 1000 rpm and stall the rest of the way home?


you should have OBD alarms coming in. It sounds like engine is not getting correct air/ fuel mixture due to failed component or failed sensor. Need OBD code to isolate or work in the correct area.

Jan 27, 2015 | 2005 Chrysler Pacifica

1 Answer

Driving my 05 Pacifica down the road for 3 miles and the exhaust will turn cherry red and will lose power


Then you ruined the exhaust converters &
oxygen sensors, because you have a timing
problem or rich fuel condition or both

That is going to be a very expensive repair,
once the main issue is found

Mar 27, 2013 | 2005 Chrysler Pacifica

1 Answer

Where is Oxygen Sensor located in a 2005 Chrysler Pacifica?


Under the car in front and behind the catalytic converter. There are two

Sep 20, 2011 | 2005 Chrysler Pacifica

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Hear a clunk a slight hesitation when just starting to accelerate. Repair shop says the motor mounts need to be replaced. Is this something a decently inclinded shade tree mechanic can tackle?


I would say so, Just have to jack up the motor and loosen the mount, lift engine up enough to give you some room. There are two bolts that hold on the mount.

Apr 10, 2010 | 2005 Chrysler Pacifica

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2005 Pacifica,84,000 mi,oil & filter changes done regularly. Cam shaft broke causing damage to bearings,lifters,rocker arms, oil pump. Quoted price to replace:refurbished $4000 new $6,000. How could...


no problems with cams i know of
if you bought it new ask the service manager if he could ask the factory reps. to "good will" the repair it also helps if you have a service history with the dealership other than warranty repairs

Mar 25, 2010 | 2005 Chrysler Pacifica

1 Answer

Wher are the oxygen sensors locted on a 2005 chrysler paciffica?


they are located on the exhaust system some cars have two and some have four o2 sensors. they should be located any were from the exhaust manifold to the catalatic convertor and you should have at least one after the convertor

Jan 15, 2010 | 2005 Chrysler Pacifica

3 Answers

2005 chrysler pacifica code 0420.Changed sensors and catyletic converter.(as recommended by dealership) Lasted long enough to get inspection, light came back on that evening . Been off and on (mostly on)...


Code P0420 is a catalist ineficiency code. It can be caused by a minor exhaust leak. Based on what youve already replaced. Inspect the entire system while its running to find any leaks.

Nov 24, 2009 | 2005 Chrysler Pacifica

1 Answer

How do i reset the sensor on a 2005 chrysler pacifica?


what sensor is that. if the oxygen sensor there was no reset. u need to replace it...

Jul 12, 2009 | 2005 Chrysler Pacifica

1 Answer

Volvo S60 Hesitation


Had a similar problem recently where I would press the accelerator almost to the floor before I got a response and when I ran the A/C it was worse. Also my car kept stalling out when at idle. Volvo dealerships are extremely expensive. I took mine to a Bosch service center (more of a mom & pop shop) and the price was more reasonable. The drivability (sp?) problem was the rear oxygen sensor for me. I also had a fuel pressure sensor and MAP (labeled as pressure sensor from Volvo) sensor replaced. The parts are expensive, but it fixed my issue. There is a front and rear oxygen sensor so it could be either. The parts are $219 each. The fuel pressure and MAP sensor are cheaper, but only by about $40. They are not hard to replace though. Once I had the rear oxygen sensor replaced the car was back to normal. I have a 2003 S60 with 97K miles.

Jan 22, 2009 | 2005 Volvo S60

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