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Plymouth 1985 horizon

When your driving down the road the car blogs down step on the foot feet then runs good then blogs down again

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  • Plymouth Master
  • 21,873 Answers

You have a car with a 2 barrel carb and a very primitive computer. So the usual steps to diagnose the problem won't work.
It could be a long list of things, especially the carb itself.
The common cause of lack of power is lack of fuel, but it could also be spark timing, a vac leak, or other things.
A mechanic that understands carburetors will have to run down a list of possible causes to find it. And you may want a second opinion if they decide it is the carb, because that would be a $500 part plus labor.

Posted on Feb 07, 2014

Testimonial: "looking for something a little better than that for a suggestion, already changed out the carb thinking it was the gasket, also the hall effect pick up coil. checked reservoir for leaks even checked timing. So I have hit a wall, and I need somewhere else to look so I can get this thing fixed. Without taking it to a shop, this car is not worth spending a whole lot of money on. Can do the work myself just need someone to point me in the right direction."

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

chiquititas
  • 1010 Answers

SOURCE: 1990 Plymouth Horizon America troublre

The speedometer went out at 50,000 miles. The head gasket blew at 125,000 miles. I bought this car new when I started college, and it was the best front-wheel drive car I ever owned. The speedometer went at about 50,000 miles. I traced it to the printed circuit board, but Chrysler didn't carry the part, so I guessed my speed based on what gear I was in and my tachometer reading.

Posted on May 14, 2008

SOURCE: 95 Aurora, Stalling while driving anyone know why?

My 95 had a similar problem. Turned out to be a vacuum leak at the fuel PSI regulator, split hose.

Posted on Jun 06, 2009

dnewcombe1
  • 1564 Answers

SOURCE: Loud knocking under drivers right foot

You may have pick up some debris on the road and it has wrapped around your front drive axle. That's honestly all I can think of as long as there are no other changes in the operation of the vehicle.

Posted on Sep 06, 2009

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1 Answer

After my 94 plymouth voyager 3.0L gets to runnig temp it misfires and stalls once in gear.It runs fine when its cold. I did a tune-up and still have the same problem


Have fuel pressure checked when it starts to misfire/stall and driving down the road at normal speeds.
Not unusual for fuel pump to run at proper pressure when cool, but lose pressure when warmed up. If it's only running bad when off accelerator and stopping or turning and runs down the highway good, remove and clean AIS/IAC motor. ( idle speed motor ) Once cleaned, if it runs better for a while then starts to act up again, replace it.

Jul 16, 2011 | Plymouth Voyager Cars & Trucks

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I have a 83 horizon. it was running fine all day.when to start it , it barely started but will only run if my foot is on the gas to the floor, and the ignition is being held and turned


ignition module went bad ... ignition modules have two circuits ... start and run
sounds like only the start is working. Modules are cheap, Less than $20 most places and you unplug the old and plug in the new

Feb 23, 2011 | 1983 Plymouth Horizon

1 Answer

Transmission fluid was low and trans overheated now slipping


get a new transmission then!

Get more great money saving tips and tricks about your vehicle from: twitter.com/acoates23234

Thanks for the vote, and good luck!

Jan 06, 2011 | 1985 Plymouth Horizon

2 Answers

87 Plymouth Horizon 2.2L stalled with out warning and will not start. Where to look for the problem this motor has a holly carb. 66000 miles on it


check tining belt igntion module and pickup for spark? if it turns over kinda faster than it did before it quit its the timing belt? repost after you test it for spark, timing and fuel

Aug 27, 2009 | 1985 Plymouth Horizon

1 Answer

1985 Plymouth Horizon


I would change the fuel filter and have the alternator tested and check the condition of the drivebelt

Apr 12, 2009 | 1985 Plymouth Horizon

1 Answer

1985 PLy Horizon distributor rotor position


Find the end of the plug wire for cylinder 1. Place the plug wire into the distributor cap. Rotate the Crankshaft until Cylinder #1 is TDC. align the rotor in the distributor cap with plug wire number 1.

Nov 23, 2008 | 1985 Plymouth Horizon

1 Answer

1989 Plymouth Horizon


replace the egr valve and the PCV valve possible a new air filter also

Mar 09, 2017 | 1989 Plymouth Horizon America

1 Answer

1990 Plymouth Horizon America troublre


The speedometer went out at 50,000 miles. The head gasket blew at 125,000 miles. I bought this car new when I started college, and it was the best front-wheel drive car I ever owned. The speedometer went at about 50,000 miles. I traced it to the printed circuit board, but Chrysler didn't carry the part, so I guessed my speed based on what gear I was in and my tachometer reading.

May 14, 2008 | 1989 Plymouth Horizon America

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