Question about 1985 Ford Ranger

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My 85 Ford Ranger 4x4 V6 has no power. I have changed plugs,wires,Cap,Rotor, set the timing, plus changed the fuel filter. It starts easy and idles perfect, but has no power when driving under power. It has a 5 speed trans. It doesnt have a Converter on it only a muffler. Any one have any Ideas?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 27 Answers

SOURCE: 85 ford ranger 2.8 v6

Try replacing the ignition module in the distributor. This is a common problem on these engines.

Posted on Jun 18, 2008

SOURCE: 1988 Ford Bronco II 2.9 V6 5 sp. trans. Air power steering

Pull the vacuum hose from the map sensor and if your idle smooths out change the map sensor. About a $20 fix.

Posted on Oct 06, 2008

jonbrown725
  • 73 Answers

SOURCE: 1994 ford ranger extended cab 6 cyl fuel injected 2 wheel drive automatic

This year of ranger had a few flaws, In one case, a break power booster was robbing the vacumm, you can test this by plugging it off and seeing the differance, but you will have limited brakes. This model year had a problem with a vacuum leak on the manifold. You can check these in many ways, but please don't use starting fluid. The rear of the manifold usually on the drivers side where it seals to the block.
Also, in 2 other cases a cracked head has gave me the same problem. It is caused from a loss of vacuum.

Posted on Jan 15, 2009

  • 295 Answers

SOURCE: 1989 ford f150 w/ 5.0 liter..... engine light on

I would check the oil pressure of the engine. The reason is the timing chain tensioners are run with oil pressrue. I think your timing chain tensioners are leaking down when engine is getting to operating tempature . The oil is thinning down as warms up , as it should to lubercate . I would check compression and do a cylinder leak down test on all the cylinders. Then if the compression is good and the cylinder leak down is good. I would change all the timing components, ( chain, timing gears, timing chain tensioners )

Good Luck , I hope this helps.

Posted on Apr 18, 2009

SOURCE: Ford F150 engine backfiring, running/idling rough

I Have a 1999 ford f150 4.6 that back fires and is just running really ruff when idling alot of nack fire a sord of like a pulse going on what is my problem?

Posted on Oct 12, 2011

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1 Answer

86 Ranger 2.9 V6. Sucking gas and won't idle some black smoke could my distributor cap and rotor button be the issue.


start looking at the ignition system from distributor cap and rotor ,plugs filters ,im not saying replace everything but make sure its all in good working order and timing is correct.

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You state you changed plugs and wires - Do distributor cap & rotor? If not you should then set timing. That should cure hesitation (might change fuel filter also and run good fuel system cleaner through it)
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Hesitation on take off and a miss while goin down the road in my 1994 2.3l ford ranger


Start with a complete tune-up

Plug wires can cause this.

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Feb 20, 2011 | 1994 Ford Ranger Supercab

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I replaced my head gaskets on a 85 ford ranger 2.8 v6. When removing my distributor I neglected to mark it.. Now my timing is off. How do I solve this??!


Turn your motor by hand to bring up TDC #1 fire. Set your distributor in place. Remember it will turn with the direction of the cam gear approx 1/2 post when it seats so you need to compensate for this. Set your cap on and follow down #1 post and mark your housing. Remove cap and turn dist until rotor centers on mark. Start and time (remember to remove timing plug) with timing light. Did you remember to use new head bolts?

Oct 18, 2010 | 1985 Ford Ranger

2 Answers

01 ford ranger 4x4 4.0V6-- rough idle like it wants to cut off. loses power or studders under acceleration. struggles to get up to 55 or 60


I agree. Try replacing the spark plugs, install new spark plug wires, change the air filter, change the fuel filter, and test the battery and alternator. Run a bottle of fuel system cleaner and water remover through it. To replace the spark plugs you'll most likely have to go through the wheel wells cause of their hard accessibility from the top. The fuel filter is located on the inside of the frame on the driver's side. Hope this helps. God bless

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1 Answer

1989 Ford Ranger 2.9 liter 4x4 Runs Horrible


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Sep 02, 2009 | 1989 Ford Ranger

1 Answer

When it gets warm out side my truck starves for gas and power


check ur distrubution cap for any resesu buld up from water and vapor

Feb 27, 2009 | 1985 Ford Ranger

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