Question about 2000 Ford Focus

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Engine missing, mainly on accelerating, and more so when engine gets warm on open road. Arcing across ignition coil on starting.

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  • icevole Jul 27, 2008

    BTW, it's a 1987 ford laser, and I think the engine is an E3. Appreciate any help anyone could give, cheers.



1 Answer

Sounds like bad wires try replacing wires or cracked coil

Posted on Jul 27, 2008


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When cold the engine funs fine but when it warms up it starts to miss and surges the warmer the engine gets the worst it gets till it hardly runs,dies,surges and will not accelerate.

problem indicates electronic component failure due to heat from current flow
run the fault codes to determine the area or sensor that has failed
could be a cam/crank position sensor , ignition control module , coil,even the ECM

Dec 03, 2016 | Cars & Trucks

2 Answers

Starts missing /large dead stop when accelerating

The missing while accelerating is likely due to ignition coils and/or spark plugs going bad. The missing while in park is a normal thing. The car has a rev limiter that will not allow the engine to rev to higher than 3000 RPM while in park.

Apr 11, 2014 | Lincoln LS Cars & Trucks

1 Answer

Testing egr

If you have engine miss, it is more likely an ignition issue. To test EGR, have the engine running, and apply a vacuum to the EGR port slowly. Engine should stumble as port opens from vacuum. With engine off, apply 12 inches of vacuum, the EGR should hold open. with no loss of vacuum. A very slow loss can be from a couple things, and if slow enough not much of an issue. With engine warm, put a vacuum gauge on the EGR line and watch for vacuum after a few seconds while holding throttle open to 1200 RPM steady.

If you start the vehicle up in the dark, best outside at night, look for arcing from plug wires and ignition components. Replace those items that show arcing and this should resolve the issue.

Jan 24, 2012 | 2004 Nissan XTerra

1 Answer

01 Nissan Altima check engine light code p0740

Classic engine miss. The cause might be a faulty injector, or more likely an issue with ignition. Start it at night in the dark and look for arcing- that is the area to start. Plug wires and ignition components.

Jan 24, 2012 | 2000 Nissan Altima

1 Answer

Engine misses, bad idle, stalls, no power, accelerator to the floor & no action

Check out the ignition module or ESC for proper operation. It works in conjunction with your ecm to control and regulate engine timing.

Apr 03, 2017 | 1990 Nissan 300ZX

3 Answers

When im going down the road my 2004 pontiac hesitates you have to give it more gas

tune up, maintenance and likely an air filter required
Most new vehiclwes have a hesitation but if it is a definite lag then try the above

Jun 11, 2011 | 2004 Pontiac Grand Prix

1 Answer

My grand prix shakes when i go up a hill or start out. i have good tires

If the shaking is caused by the engine missing (a misfire on 1 or more cylinders), then
check your (a) spark plug wires - pull each and check for continuity/faults/burn marks/etc., (b) spark plugs - pull each & check for fouling/faulty/etc.
Another good check for spark plug wires is to park in a dark area at night (open garage with the
lights out works), run the engine and observe the engine operate in the dark - little lights caused by
faint arcing means that the wires are leaking electricity to the engine block, instead of delivering it
to the spark plugs, like they should.
Your particular car has a Distributorless Ignition System (DIS), consisting of an ICM (Ignition Control
Module) connected to an individual coil pack for each pair of cylinders. You'll need a
HEI (High Energy Ignition) ignition system tester (about $30-$45 any auto parts store) to test
these coil packs, which I have found quite easy to replace (usually a couple of 10mm cap screws).
Since the car shakes only when accelerating or going uphill, I tend not to think that suspension
components of the car are at fault.

Mar 16, 2011 | 2000 Pontiac Grand Prix

1 Answer

I have a 1999 Chevy Cavalier Z242.4L and it is miss firing i replaced the coil cover and the car stoped miss firing and ran good for a month then it started to do it again so i checked my oil and i was low...

The misfires and the knock are likely two different problems.
Find the darkest place you can and with the engine at idle, open the hood and look along the ignition wiring for and arcing from the cables. GM uses miserable ignition cables and you may be 'bleeding' high voltage from them.
The knock is even more serious; if it is regular in nature, the knock could be caused by either a rod or main crankshaft bearing with heavy wear. That problem should be diagnosed by a pro in person. If you ignore it, it will likely get worse and then finally fail causing severe engine damage.

Sep 26, 2010 | 1999 Chevrolet Cavalier

2 Answers

2001 volkswagen golf

ok laker1761,

I would start with this: if its only happening when the engine is getting wet get a hair spray bottle, or any bottle and spray water on the engine when it is running to get it to act up. A blinking check engine light means you have a misfire, it most likely has something to do with your ignition.

The two most common things ive see when ive performed this test, was spark plug wire, or one of the coils. What you will be looking for is to see if the spark is arcing from one thing to another, like a wire, coil, something. I would start their, that is the quickest and easiest step to see you have a arcing spark.

Mar 10, 2009 | 2001 Volkswagen Golf

2 Answers

Hesitation , skipping,engine cuts out when accelerating

Im having the same issue I believe. I have a 94\' Chevy 1500 and when i accelerate it will jerk like the gas has cut out but it wont stall. It just jerks and slows me down. It only seems to do it when going up a hill. I feel like it could be the fuel pump or possibly some intake gaskets?

Feb 28, 2009 | 1993 Chevrolet Lumina

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