Question about 1996 Ford Ranger SuperCab

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Ford Ranger runs rough at low rpm

Just changed plugs

Posted by Anonymous on

5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: ignition wiring

firingorder6a.gif firingorder6.gif 1991-1994 2.9L and 3.0L Engines Firing Order 1-4-2-5-3-6 1995 And Later 3.0L V-6 With DIS Ignition System Firing Order 1-4-2-5-3-6
4.0L Engines Firing Order: 1-4-2-5-3-6 DIS Ignition System

Posted on Nov 23, 2008

Mr BrokRench
  • 1623 Answers

SOURCE: my truck idling low and spitting gas out exhaust

Hello Charles...I don't know what engine package you have in your ranger the 3.0 or 4.0 litre, but regardless, a diagnostic scan needs to be performed to determine the cause of the problems. Sounds like the Electronic Engine Control (EEC-IV) has stored hard codes. A self test can be performed where Diagnostic Trouble Codes (DTCs) are transmitted on the Self Test Output (STO) wire located on the vehicle self test connector. The codes are in the form of timed pulses, and are read by the technician on a scan tool or the CHECK ENGINE light. With the information recieved the proper repairs needed to correct the problem can be determined, other wise you are just guessing.
Good Luck...i hope this helps and will fixya up.

Posted on May 16, 2009

glamarre82
  • 140 Answers

SOURCE: ilde rough

Check your idle air valve, maybe your air filter needs to be changed. EGR valve may need to be checked at as well.

Posted on Jul 22, 2009

  • 1 Answer

SOURCE: 98 ford ranger 4.0L runs very rough when mass air

When Driving my 98 ranger in the hills it miss fires, what would cause this

Posted on Nov 27, 2009

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1 Answer

01 ford ranger backfires at higher rpm don't no


i was told that some rangers have a govner or sensor that won't allow you to go over 3,ooo rmp at a idle,it will make it run rough and backfire,it' to keep you from blowing up your motor

Apr 29, 2012 | 2001 Ford Ranger Regular Cab

1 Answer

2004 Ford ranger rough idle at 1200 RPM. Hi, my ranger just came from the garage with no fix. It has 64000 miles and developed a sputter between 1000 and 2000RPM. Runs like hell and idle is fine , no...


Hello, I suspect the problem can be one of three things. An idle speed control Solenoid or a leak in the Intake system or bad valve runner operation. First, disconnect the accelerator cable at the Throttle connection. I am reading that you have a rough idle at 1200RPM and then that the idle is fine.

The idle is too high if it is set at 1200. By disconnecting the accelerator cable, you will find out if the cable is binding at low rpm. If the engine now idles slower with the cable off, you have found part of the problem.

The ISC, idle speed control, usually fits in a shallow well in the Intake, has a valve which routes extra air into the engine to smooth the idle. The valve shaft can be cleaned with WD40 and you can degum the passageway. Too much air at the wrong time can increase RPM and give the other controls fits trying to compensate, resulting in sputter.

A leaking intake manifold or manifold gasket can create the problems you describe. Use a hand spray bottle of water and mist the seams while the engine is running. A leak will draw in the water and change the RPM. Then fix the leak. Some 6 cylinder manifolds have 2 piece sandwich designs and the gaskets usually fail over time.

If you have the type of engine with intake runners, there are activating Pods which move rods underneath the Pods. Some have plastic clips which break and the rods fail to work after that.
Since the Electronics work, you will not get a check light. This defect sounds a lot like your problem because the Intake has certain flow designs to regulate power at different RPMs'. You are having problems only within a certain RPM range.

I hope my solution gives you new ideas on inspecting your engine for the problem.

Jun 02, 2011 | 2004 Ford Ranger

1 Answer

My truck idling low and it spits gas out the exhaust


I know that you did not mention any overheating but have the cooling system checked for hydrocarbons or do a compression test (all cyls should be within 20% of each other. Even if you had one completely dead cylinder, it is very difficult for wet fuel to get through an exhaust system without vaporizing. Your symtoms sound very much like a partially failed head gasket.
I could be wrong, but without the benefit of being there, that's what it sounds like.

May 16, 2009 | 1993 Ford Ranger SuperCab

2 Answers

My truck idling low


You replace alot of things but you should replace the EGR valve and the throttle positioning valve also. I would start with the EGR valve

May 16, 2009 | 1993 Ford Ranger SuperCab

1 Answer

My truck is idlin low


my truck runs about the same but if the truck is having a hard time staying running maybe the computer in the truck is going out and giving the wrong messages to the truck to run right

May 15, 2009 | 1993 Ford Ranger SuperCab

1 Answer

My tuck idles low and spits gas out the exhaust


Since you have replaced all those parts already, I would suggest checking out the egr valve. Also I was wondering how the coilpacks or distributor are acting? Is the truck firing on all cylinders? Very possible you have leaky injector also.

May 15, 2009 | 1993 Ford Ranger SuperCab

1 Answer

My ford ranger idles low and spits gas out the exhaust


Hello,
First confirm it is either gas or eastter. Wayer/condedste collects at the tail oip as a byproduct of the caralyctic converter on cold rngine It normally occurs on firts start of a cokd enginw. the ebgine idles low because it is col, but should reyutn to normsl after warm uo.. If for sure iys gasolinem and the engine runs eiygh, then angihector is bad, good luck. I hope this helped yyou

May 15, 2009 | 1993 Ford Ranger SuperCab

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