Question about 1994 Mazda MX-6

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Pulsating missing with engine causing it to loose compression

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See is spark plugs tight in engine. Change spark plug, check wiress.
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Posted on Jul 10, 2013

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It could be a warped rotor or an out-of-round drum but it might also be loose wheel bearings, a bent axle shaft or loose brake parts. Or you might just be feeling you ABS kicking in. If it is one of those parts and you need to replace it, consider looking online for used auto parts.

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Not sure what loose compression is, but low compression would not be affected by changing the plugs unless the wrong plugs were installed.
The timing belt may have broken, but again that would not be caused by replacing the plugs. I would run a compression test to verify the problem.

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well do a tune up on engine if missing.replace spark plugs and wires.replace distributor cap and rotor.replace ignition coil.clean fuel injectors and replace fuel filter.if all fails. if engine has high mileage could have low compression due to worn cylinders burned valves. do a compression check see condition of engine.vacuum leaks and leaking egr valve cause engine miss.

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1 Answer

Missing


engine missing could be caused by faulty spark plugs and wires,bad ignition coils,dirty fuel injectors,leaking egr valve,low cylinder compression,intake vacuum leaks.many things will cause engine to miss, first do minor fix,replace distributor cap and rotor,replace spark plugs and wires,clean fuel injectors,replace fuel filter and air filter,if this minor tune up dont help engine and engine still missing, do a vacuum test and compression test to check condition of engine.engine could be worn out have low compression by worn valves and pistons rings.

Jan 04, 2012 | 1995 GMC Jimmy

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I have a constant miss in my engine. I've changed the wiring, cap & rotor, plugs and fuel filter. What could be the problem?


Have you performed a compression check? You could have a sticking or Mal-adjusted valve, bad cylinder or other problem -- the test would reveal your answers more precisely...
Best regards
Ck
Please provide feedback ratings

Oct 03, 2011 | 1993 Ford F250

1 Answer

This vehicle has the popping sound at the air cleaner housing,also has a trouble code po301 (cylinder 1 miss fire). In addition when accelerated to rpms 3,000 engine begins to pulsate increasing wildly as...


You'll need to have a compression test done, it sounds like you may have a burnt valve in cyl.#1. If the compression is good, then I'd look at checking the injector in that hole, it may be plugged.

Apr 07, 2011 | Ford Freestar Cars & Trucks

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1997 silverado 5.7L I am going to replace the intake gasket because it is leaking. It is buring 1-1/2 quarts of oil or more between oil changes. I suspect a vavle job may be in order but have never done...


Bad valve's will not burn oil, bad valve will cause a cylinder miss fire, due to you will loose cylinder compression, I would replace the valve seal's, Also do a wet and dry compression test, do a dry test, and write down reading's, then add oil in cylinder, and do another compression test, if in any cylinder's compression jumps higher then dry test, that's where your loosing oil, weak piston ring's.

Aug 20, 2010 | 1997 Chevrolet K1500

1 Answer

I have an 89 Jeep Wagoneer inline 6. Its not


You got the ignition cover, what you need to do an cylinder compression test and also check your injector for voltage while engine running hook test light to battery pos on neg and neg on pos, at injector harness check for pulsation, if you have pulsation elec. system ok, if good compression bad injector.if bad compression piston ring's or valve's.

Dec 08, 2009 | 1989 Jeep Grand Wagoneer

1 Answer

No compression (except #4 @140 lbs), but cranking power.(352 v-8)


if u are missing a cam bearing better start with that and rebuild your engine and when u do that ur chain issues wikk be fixed as u will have a new 1 lol

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1 Answer

1985 Toyota PU 22RE engine miss


Reinspect the number one injector. It's not supposed to buzz, it is supposed to click. It may be sticking open (bad), or the injector ground wire may be shorted, keeping the injector energized.

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