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F150 2006 Ford Truck starts having acceleration problems and backfiring when I go above 30 miles an hour Why?

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  • Cars & Trucks Master
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Check fuel supply to the injectors by having a fuel pressure test done on the manifold. Run fault codes and check for cam/crank position sensor fault.

Posted on Oct 13, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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jeremythious
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SOURCE: 2006 Ford Explorer slipping when accelerated

Change the auto transmission fluid and filter. Pay attention to the smell of the fluid. If it smells burnt, there is likely burned or worn clutches. You can compare the smell of the old fluid with the new fluid if you're a newbie. it also doesn't hurt to save a sample to share with an expert if you know one. Also pay close attention in the bottom of the pan for metal filings, fragments etc. A fine layer of black silt is usually normal. If the trans is burned out, there will be evidence in the pan. NEVER rev the engine to get an auto to go into gear, and avoid letting the transmission slip at all costs. Overhaul is a major job and very expensive. I don't know why they'd change wheel bearing on a slipping auto. Or why they couldn't diagnose it for you. Hope this helps.

Posted on Feb 07, 2009

  • 109 Answers

SOURCE: Missing and backfiring during acceleration and climbing hills.

Could be vapor lock in the fuel system. Next time it does this, stop and try removing the fuel filler cap... Hope this helps...;-)

Posted on Apr 14, 2009

  • 30 Answers

SOURCE: 1998 ford crown vic sputters

I would try to replace your spark plugs, and spark plug wires, My 88 Vic did the same thing...now it runs like a champ....you could also try fuel injector cleaner.

Posted on Jun 23, 2009

emissionwiz
  • 76075 Answers

SOURCE: Torque Converter problems for ford f-150

the torque converter is locked up, you need to have the system tested there should be a trouble code for a TCC solenoid, but do the test, most times the torque converter will need to be replaced, have worked for ford dealer 25 years and seen this many times.

Posted on Jul 25, 2009

  • 123 Answers

SOURCE: 1998 Ford F-150 4.2 V6 starts and idles fine ibut bogs when step

i had a van do this same thing to a tee turned out to be a broken key pin in the harmonic balencer causing the timing to ****** replaced balencer and ran like a dream there is a crank sensor grid on the balencer when the key pin broke it trew the timing off

Posted on Jan 14, 2011

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Idles ok backfires thru exhaust under a load


Since it is so old, Start with a compression test. 90lbs is about minimal. The cylinders should be with in 10% of each other. If your there or lower, Time to retire or rebuild this engine. This part here will save you time, trouble and money into an engine that won't be any better when your done.

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1 Answer

When accelerate above 30mph its cuts out or loses power but runs smooth at idle


Acceleration cut off when reach 30mph - Range Rovers

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All of a sudden, RRSport HSE 2006 can not speed above 30mph. ... It's only an hour's drive away if your car could go straight upwards. .... My guess is that some control module got fried or out of whack when the power spike ...

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Starts,Idols perfect Bogs down, no power upon acceleration ...


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2001 Chevy Avalanche Lossing Power and Backfiring


losing power and backfiring could be because of a bad mass air flow sensor . Could have jumped time , timing chain

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Engine wont rev above 2000rpm


If you have a hih miles truck,it is very possoble you have aclogged cat.Have a muffler shop test pressure in front and behind by drilling small holes,checkin w/gauge,then welding back.This should be free if you replace the cat.

Mar 23, 2014 | 2002 Ford Expedition

1 Answer

My truck hesitates at times when accelerating and backfires at others


wha is the make and model and year? please. how many miles on it?

Jan 01, 2013 | Chevrolet Cars & Trucks

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I have a 1999 ford f150.. With a 4.6 v8 it has 170k miles.. My problem is that when the truck warms up it tends to hesitate and backfire when I try to excelarate..


Check your fuel pressure it should be 30-45 psi.There is a test port on the fuel rail to connect a fuel pressure test gauge.

Jan 31, 2012 | 1999 Ford F150 Regular Cab

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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?

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86 Ford F350 Cold Start Problem


Does it have a carburetor or is it fuel injected? In 1986 it could be either way. It sounds like a carburetor with a choke problem.

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