Question about 1996 Ford Explorer

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Lacks power and acts like its not firing on all cyliders could the timing chain have jumped a tooth ? 1996 4.0L explorer 200,000 miles

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Are there any engine codes ? This vehicle is OBD II ! A bad maf sensor will give you poor idle and lack of power and on fords often times no codes ! Another possible cause could be exhaust restriction due to a catalytic coverter being stopped up ? Previous misfires if driven long enough can trash a cat ! Let me know if any codes are present and what they are !

Posted on Mar 15, 2011

  • jacklamb1871 Mar 15, 2011

    has multiple misfires and o2 sensor codes

  • jerry8807 Mar 15, 2011

    Depending on the o2 sensor codes ? Lean or rich or heater circuit ?



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Have fuel and spark does nat fire. tried starting fluid still no fire. have spark to the plugs.

It's highly unlikely that your timing chain has jumped .. unless you have been doing work and fitted it incorrectly..?

The chances are that it's a sensor at fault. You can save yourself a lot of time and bother by getting somebody to read any error codes that may be present. Identify the fault first and then fix it.

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The noise is most likely timing chaine. I personally had a vehicle that jumped time by one tooth so it is possible it did jump time

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When is the timing chain of a 2007 1.5 4x4 daihatsu terios changed?

Timing chains do not need changed until they break or get so loose that they jump a tooth on the chain. But if you have a timing belt instead of a timing chain, it does need to be changed before it breaks. Replace the timing belt every 60,000 miles. Severe engine damage will occur if you do not replace the timing belt every 60,000 miles.

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Turs over and fires, but acts like timing chain jumped.

we need more information like make size of engine ,vehicle year and model and what you did prior to the problem occuring. Chains do not jump but break

Feb 10, 2015 | Cars & Trucks

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On 2002 ford explorer,4.6-v-8, when i was changing timing chain guides and adjusters the chains jumped teeth on the crankshaft. The manual says the left camshaft timing mark should be approx. @ 11:oo & the...

Look for some Youtube videos on this repair. If I remember correctly the links on this chain have different color metal for the spots that the cam tooth goes against. When each side is in the proper tooth the right and left colored links will be on the cam mark and the crank mark should be on the timing TDC mark. Sounds like the slack you describe is wrong and a tooth is off because the tensioner is allowing slack.. You need to slip a tooth one way or the other until the tensioner has room to be in a neutral position.

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1986 ford bronco 2. trying to figure out my problem. at times, when i press on the gas it does nothing,actually putters and theres a popping sound coming from passenger side under the hood. its like the...

It's one of two things. The plug wires are not on in the correct firing order or your timing chain has jumped a tooth on the crank or cam sprocket. You need to remove the distributor cap and make sure there is not a plug wire crossed somewhere by following the firing order in the direction of rotation on the distributor. If not hook a timing light up and see what the timing is running at. If the timing chain jumped a tooth you will need to replace the timing chain. Most of the old timing gear sets had a nylon cover over the teeth and it chips off and or the chain stretches and then the chain cam jump a tooth on the gear and throw the valve timing off enough to where you have the problem you describe. If you have very high mileage probably the timing chain. Also for $250.00 bucks I would start with the garage that did the tune up and tell them there is a problem. See what they say. Hopefully they are an honest garage. Good luck.

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Replaced battery, plugs, wires, cap, rotor, air filter, fuel filter, added heet water removal and lucas fuel injector. It sputters, backfires/pops when accelerating and it has no power, drives like a golf...

How many miles? I am NOT a mechanic! Sounds like possible timing belt/chain jumped a tooth. Or the timing advance mechanism is malfuctioning. (Unlikely - check distributor is tight or not shifted from normal position too far back or forward.) Assuming belt and not chain, 80 k miles or more, likely need to replace timing belt in any case, before it breaks. If it breaks, you'll be replacing valves and pistons too.

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I think my timing chain has jumped a tooth. Is that common or a known problem on these?

Depends on miles or how hard an engine has been run over a period of time . Chains and belts stretch and they can jump if they get loose enough and have enough strain on them

Jun 12, 2010 | Cars & Trucks

1 Answer

Died while driving and now will not start. getting fuel and fire 1995 GMC Vandura just stalled while I was driving it. It won't start now. any ideas what it may be?

I would bet first to check and change would be cap and rotor and coil. Lack of proper spark at proper time is the main issue, that or the timing chain jump a tooth due to age and wear.

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How often (Mileage) do I change timing belt on

chains are not like belts.... they are much tougher therefore last a hell of a lot longer...typically around 90,000 miles or more they should be looked at as they do eventually stretch and can jump time...they also have tensioners that can wear out causing the chain to jump a tooth, and a tell tale sign of this wear is indicated by noise coming from the timing chain case area.I have seen some 3.8 v/6 engines one in particular manufactured by Buick/Olds and installed in early CJ 5 Jeeps lasting over 200,000 miles...but sounding like a washing machine at idle from all the worn parts as well as some having a fiber type cam sprocket that wears out(used to help silence any gear slap noise)Hope this somewhat helps.

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