Question about 2000 Ford Ranger SuperCab

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Knocking engine I have a 2000 ranger ,I just replaced heads and head gaskets ,I now have a knocking noise and #3 cylinder plug is burning black ,130 compression on all cylinders ,any imput would help

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  • Bill R
    Bill R Mar 30, 2014

    It does not misfire

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  • Contributor
  • 37 Answers

Spark plug wires crosses or timing is too early or octane too low for the higher compression..

Posted on Mar 31, 2014

  • thomas merrill
    thomas merrill Mar 31, 2014

    Black sparkplug means too much fuel injected.

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: Ford Fiesta Firefly 1250cc 2004\r\Head gasket blown?

it sounds like the head gasket is blown, unfortunately head could also be warped. and yes a garage is going to cost quite a bit

Posted on Sep 01, 2009

  • 122 Answers

SOURCE: need cylinder head gasket torque specs.

looks like there is special sequence to reassemble and tightening, a quick note replace any bolts that have two punch marks.tighten as follows: x x x x x 10 4 2 6 8 x x x x x 7 5 1 3 9 torque all down to 15 ft lbs torque to 30 ft lbs plus 90 degrees. Good luck!

Posted on Sep 18, 2009

dnewcombe1
  • 1564 Answers

SOURCE: trying to fit my own head gasket on pinto engine

Use no sealer or treatment of any kind. To torque the head bolts you must go in a military rotation.Think of it as a spiral starting with one of the center bolts and working your way out to the ends. The torquing should be done in three stages, fist bring them down to 30 foot lbs. then going from the center again, this time in the opposing spiral, bring them down to 60 foot lbs. And lastly, bring them down to the specified tightness in your manual usually around 85-90 foot lbs. On the thrid sequence return to the original spiral direction that you started out with. Good luck, Dana

Posted on Sep 06, 2009

  • 1 Answer

SOURCE: no compression in one cylinder

Timing belt slipped around cam pulley. Take off your timing belt cover and check the position. This would explain misfiring and compression loss. Stretched belt or missing cogs in belt likely culprit.

Posted on Feb 04, 2009

  • 218 Answers

SOURCE: 2004 f150 running on 7 cylinders

IF IT WAS OK BEFORE THE REPAIRS TAKE IT BACK TO THE SHOP.IF A FRIEND(MECHANIC)FIXED IT U NEED TO FIND WITCH CYLINDER IS NOT WORKING. CHECK COMPRESSION FIRST.IF COMPRESSION IS OK SWITCH PLUGS & COIL W/CYLINDER NEXT TO IT.IF THE MISFIRE DOES NOT MOVE THEN DO THE SAME THING W/ AN INJECTOR.THAT SHOULD HELP FIND THE PROBLEM

Posted on May 06, 2009

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Mazda drifter b2500 WL engine has knocking sound misfiring and white smoke after cylinder head was replaced.please help


I could be wrong but white smoke usually oil and black smoke is usually gas. If that is correct and you changed the head you may have a leak from the head gasket, or it is not torqued correctly. Your valves may not be adjusted correctly. The timing could also be off. Just some of my thoughts. Sorry I can not be for sure.

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I have coolant getting into my oil what needs to be replaced or what should I doalso is blowing lots of white smoke and making noise the bugle is a 2000 lincoln l_s 3. o v 6


Chances are its a leaking head gasket or gaskets, and could also be a cracked cyl head.
The heads would have to be removed to be inspected.
If the engine has over 150,000 miles it may not be worth fixing.
You may be able to tell from the spark plugs which cylinder is leaking.

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valve or head gasket for that low cylinder take it that your measurement is in bars -- the 12 bars is 170 psI very good and the 9 bars is 130 psi
as it is good practice to allow only 10% difference between cylinders the 130 psi (9) is a problem cylinder
One possible fix is to check and adjust the tappet clearance or have that cylinder hydraulic followers checked for operation
other than that valve face or head gasket

Jan 13, 2018 | 2008 Daihatsu Cuore 1.0

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My 2008 dodge grand caravan oil looks like lowfat light chocolate milk?


with 15 years experince as a mechanic it sounds to me that you have a blown head gasket that would result in antifreeze leaking into the oil system. which will cause what they call the choclate milkshake. the funny exhaust smell and white colored smoke is caused from the head gasket leaking coolant into the combustion chamber and when coolant gets into the combustion chamber it burns the coolant and forms a white smoke out of the exhaust that will have a sweet smell. replacing the head gasket and having the cylinder head checked at a machine shop will solve your problem. if you remove the spark plugs one at a time you will probally find one that is wet with a unusual color or may even find two spark plugs that way indicating head gasket blown between two cylinders which is most likely your problem. if not fixed soon driving will cause crankshaft bearing damage which results in engine lock up or crankshaft parts like a piston rod to start to knock or fly apart ruining your engine. i hope this helps you

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Where can i get torch setting for cylinder head bolts?


zjlimited_1582.jpg

Fig. Cylinder head torque sequence-5-cylinder engines



Install the lower cylinder head with a new gasket. Tighten the bolts in sequence as follows:

  1. Step 1: 15 ft. lbs. (20 Nm)
  2. Step 2: 44 ft. lbs. (60 Nm)
  3. Step 3: Plus 130°


hope helps.






Jul 16, 2011 | 1999 Volvo S70

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Oil leaking


white smoke is a sign of coolant in the combustion chamber, coupled with the oilleakage points me to the head gasket

Nov 24, 2009 | 2005 Suzuki Forenza

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Have a knocking noise in engine and white smoke coming out exhaust? Does this year accord have a timing belt ?


The white smoke is from a blown headgasket, your coolant is leaking into one or more cylinders and that's actually steam that you see coming from your tailpipe.
When this happens, your coolant level drops (because it's pumping it out the tailpipe), your car overheats, and of course it will knock as it overheats. An overheated car is sluggish, as well.
Another bad thing that occurs by driving a car with this problem is that the coolant is washing the oil off your cylinder walls and your rings will tear up your cylinder walls as they self-destruct.
Head gasket replacement is not an easy fix nor is it cheap, and usually you'll need to get the head machined to make it perfectly straight again - heads warp from overheating. A good mechanic can do a head gasket replacement in a few hours.

Overheating can cause knocking.Your best bet is to replace your motor because usually the knocking noise is caused by a spun bearing which would cost a lot to repair.

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You probably messed up a rod or caused piston damage your going to need more than a head gasket usauly when you over heat a car you causing the pistonts to expand more then they need to causing scouring and exsisive piston ware by the sound of it and the year your better off replacing the whole motor or completely rebuilding the old one wich will cost more then a use motor! good luck!

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My ranger run's fine on level but on hill's


you got head gasket problems, white smoke is an indication of water turning to steam, probably doing uphill because the engine is under greater load.i think the knocking is pre ignition, carry out an engine compression test to verify your head gaskets integrity

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