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85 ford ranger 4 cylinder 2.0 carb starts and runs good then as it warms up it starts to surge?

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  • Master
  • 772 Answers

Hi,normaly signes of worn butterfly in carb or gasket falty on carb body,all the best

Posted on May 01, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 899 Answers

SOURCE: 1991 ford ranger not getting any spark

probably the coil , but have your alternator checked first

Posted on Oct 07, 2008

jeremythious
  • 37 Answers

SOURCE: 1988 ford tempo 4 cylinder

Replace or block off egr valve. Post your results.

Posted on Feb 08, 2009

digritz
  • 530 Answers

SOURCE: missfire in cylinder 2

I assume you know the problem is a misfire in #2 cylinder from checking the diagnostics code. Although these codes can be helpful in narrowing down a problem they lack specific details. In the case there are several possible items that could trigger the engine fault code P0302

These include:

  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
Before you spend any money to resolve this you need to narrow this list down even more. Start by pulling the plug. Do a image web search on "spark plug diagnosis". This will give you pictures of plugs with a variety of problems to compare with yours and give you an indication whether or not the plugs need replacing. Next if possible switch #2 plug wire with another. Make sure you switch both ends (coil end and spark plug end) of the spark plug wire.
These are the no or low cost options. Beyond these you will need to start replacing items like the Ignition Coil and O2 sensor.
If you are still having the problem after checking and/or replacing the items listed above, your next step is a compression test on #2 cylinder.
If you get to this point please repost here with the results with the wires and plugs and I will give you the steps to follow with compression testing.
Hope this helps.

Posted on Oct 14, 2009

  • 2002 Answers

SOURCE: 1998 ford ranger, number 3 cylinder mis fires.

When you change the plug what color is the tip of the old one? This could be the answer to your problems. It should be a light beige or tan if everything is working properly.Just take one of the old plugs down to your local garage and get the mechanic to have a look at it. He'll be able to tell you why it keeps misfiring. Hope this helps.

Posted on Nov 29, 2009

  • 1810 Answers

SOURCE: i am trying to find a vacuum diagram for an 85

chilton has a great book sold at chapters and indago usualy 30 bucks or so

but if you are real desperate goto the dealer they will show you

Posted on Jan 01, 2010

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The spark plug firing order is 1 - 4 - 2 - 5 - 3 - 6 The distributor rotor turns CLOCKWISE The engine cylinders / spark plugs are numbered :
firewall 3 - 6 2 - 5 1 - 4 front
Best wishes,
TF

Jun 03, 2011 | 1985 Ford Ranger

1 Answer

1983 ford ranger. carb has ben rebuilt. starts good. when i put into gear it wants to die then when you give it to much gas it sputters and wants to die


Do you have an OBD 1 code reader Iwould look at the EGR valve first take if off and look in side the two passages on the intake manifold see if they clogged with carbon. Then take the EGR valve hold it upside down and spray some WD40 on the pentile if it leaks through the EGR it no good . The other thing would be the catyiltic convertor is blocked with it running at idle see what you are getting for exhust flow from the tailpipe. I also now of an after market place that you could get any part for this vehicle you need you need for this vehicle you see i have an 85 ranger

Jan 17, 2011 | 1983 Ford Ranger

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1993 ranger sputters until warm?


replace the Oxygen senson before catalytic converter this sensor tells the computer to send signal to fuel injectors to allow rich mixture upon start up for warm up then leans out mixture as it heats.

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Got a rebuilt carb for a 85 ranger 2.0 will not idle right


Check all vacuum hoses for cracks and disconnections. Also check pcv and egr

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