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1993 Plymouth Acclaim Hesitates and sputters

Tiny
BROWNIE56
  • MEMBER
  • 1993 PLYMOUTH ACCLAIM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 137,000 MILES
Hi Guys, Love your site.
This car runs fine at idle and when revved up but when I get on the road it will run fine at first then go through periods where it hesitates, spits and sputters for a couple of seconds, then runs fine for a little while, then does it again. What are your thoughts? Thanks.
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Monday, August 30th, 2010 AT 2:05 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi Brownie56, Welcome to 2carpros and TY for the donation

Its a long list but has to be checked to get to the source of the problem

Inspect and test all the following listed below, we start here and comeback with results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking, fuel filter or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard and continue testing
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Monday, August 30th, 2010 AT 7:09 PM
Tiny
BROWNIE56
  • MEMBER
  • 3 POSTS
Upon further inspection I found that the engine appears to only be running on three cylinders. It's getting spark but not sure about fuel. The air filter is toast. I'm thinking: cam, EGR valve, fuel injecter. Any ideas?
Thanks
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Wednesday, September 1st, 2010 AT 6:28 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Is the Check Engine Lamp indicating?
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Sunday, September 19th, 2010 AT 1:05 PM
Tiny
BROWNIE56
  • MEMBER
  • 3 POSTS
The problem ended up being a simple tune up was needed. Cap, rotor, plugs, and, wires. I pulled the plug on the non firing cylinder to see if the plug was firing. It fired a few times and quit. I pulled the cap and saw that all the contacts were in bad shap.
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Monday, September 20th, 2010 AT 10:06 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Glad to know the problem has been resolved.

Have a nice day.
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Monday, September 20th, 2010 AT 11:44 AM

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