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Ford escort 1996 1.8i - running on 3 cylinders, changed leads have spark

Ford escort 1996 1.8i - only running on 3 cylinders and i have chnged the leads the coil pack is new. using a lot of gas

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  • 216 Answers

Determine what cylinder is misfiring and do a compression test on that cylinder. Compare it with a cylinder that is not misfiring. You should have no more than 20% difference between the good cylinder and the bad cylinder. If it is low on compression, suspect a burn valve or bad valve seat... and it will require cylinder head repair. If it is good on compression, then look for a faulty injector or some other reason for the misfire on the dead cylinder.

Posted on Jun 14, 2014

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Posted on Jan 02, 2017

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SOURCE: code 300

These have a lot of problems with the ignition coils. In darkness look at the coils for any signs of stray spark. If stray spark is present the coils need to be replaced. Note- Use extreme caution around moving engine parts! Do not attempt this if you cannot do so safely.

Give me an update and we'll continue as necessary.

Posted on Nov 17, 2008

jeffbvegas1
  • 520 Answers

SOURCE: I HAVE A 1993 SATURN SC2 I HAVE BEEN HAVING PROBS WITH

You may be faced with missing cylinders due to exhaust valves sticking or not seating/sealing well generally caused by excessive oil consumption through valve seals and poor fuel quality.Listen to the exhaust while idling in gear and you may hear popping and feel the suction inwards on your hand which helps indicate this problem exists.Perform compression test on all cylinders and should see no more than 20% variance in the compression readings. One last ditch effort before removing the head and servicing valves may be to replace valve seals and run chevron techron in fuel system and run engine at freeway speeds for an extended amount of miles.This is the only additive that has proven usefull with this problem but works best as a preventitive measure before cylinders start dropping.

Posted on Jul 17, 2009

  • 17 Answers

SOURCE: my saturn sc2 2001 run

the fuel injectors can be the cause.first you must isolate which cylinder is shutting down. When the engine is missing pull plug wires one at a time to determine which one does not slow or make engine run worse. CAUTION: use rubber handle pliers or rubber glove to pull wires off plugs.

Posted on Nov 28, 2010

dj_relly999
  • 4070 Answers

SOURCE: just replaced head gasket, PCV

Hi and welcome to FixYa!

One thing can cause this.... A faulty PCM (powertrain control module). The PCM has connectivity on all current that runs inside the car which includes the engine, transmission, accessories, etc. It's like a car's brain that when it's faulty something will surely fail. One good reason why you have misfires.

Please try to swap the car's computer to resolve the problem.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Dec 20, 2010

  • 3911 Answers

SOURCE: have a 97 Saturn SL

there is an ignition module, which sits underneath the coils, has been known to go bad.

Posted on Apr 08, 2011

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2002 ford escort zx2 replaced fuel filter, air filter, plugs, and MAS...why won't it stay running?


it could be down to your spark plug leads take the leads out one by one and get somebody to hold the lead to the engine [to earth it] NOT WITH YOUR HAND with something thats not conductive like something plastic then try starting the engine to see if a spark jumps from the lead and repeat this please dont do this with your hand its very dangerous enouf voltage to knock you out!

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start from the left hand side of the engine as you are facing it, take one out at a time this way you will not mix up the HT leads ok.
Take the lead off number one plug and unscrew the old plug anticlockwise with a socket that fits the sparkplug, once you have done that put the new one in and tighten up clockwise and put the lead back on and push down so you hear a click but do not tighten up to tight or you weill damage the treads on the plug. Just enough so you feel the pressure on the racket. then do the same with all of them.

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i will bet money it is the small wires going into the connecotr for the coil pack. you will find one corrded tot he point it will pull out. Fod sells a connector kit. Can/t fix existing connector.

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Change the spark plugs


there are 4 large wires at the front of the engine on the cylinder head, carefully remove them by twisting the rubber boots back and forth until they come off, under those are the spark plugs, u will need a 3/8" ratchet and a short socket extension with a 5/8" spark plug socket on it, put the socket over the plugs and remove them reinstall in reverse order, 10 minute job on an escort.

Dec 10, 2008 | 1998 Ford Escort

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silly thing to say have you changed the plugs ?? could be a few this may be head gasket or vavle problems or if it is a multi point injectcion it may be an injector.

Sep 21, 2008 | 1996 Ford Escort 4 Door

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Ford escort


Replace the Spark Plug wires, they burn through and short to the valve cover/cylinder head causing a miss under load, very common concern with this Mazda engine that was used in your Escort GT. Buy the best wire set you can find, or the problem will re-occur very quickly. Auto-lite makes a good set at a good price, avail at most chain parts stores like Kragen, Auto Zone etc.

Jun 06, 2008 | 1995 Ford Escort

1 Answer

Why dont i have spark on 2 cylinders


bad coil pack? Do they all come from one coil with 4 taps? Get new coil

May 16, 2008 | 1997 Ford Escort

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