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Check the spark plugs themselves. I have a '99 Impreza and one of the plugs cracked and I was getting a terrible performance. The plug actually came apart and that was NOT good. Once we got the old plug out we got a new one in and it ran fine.

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Q: I have a 1996 subaru impreza outback Cyliders 1 and 2 are misfiring Compression test showed compression way down but no breach in head nor head gasket nor cracked block Whats causing low compression?
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Related questions

What is tension and compression?

Tension and compression takes place when an object has a force on another object. The tension is when the force is causing a pulling effect on part of the object. The compression is when the force is causing a contracting effect on part of the object.


Why would an engine have poor compression?

The Cylinder head could be damaged or a ring out of place, causing the release of air, making less compression


Headgasket blown in vertical section between 12 causing no compression?

? is vague. Even with a blown headgasket you will have some compression and it is usually the same in both cylinders


What is causing faulting?

Faulting is caused by the stretching or compression of rock by tectonic plate movements


What do you do if a 1986 bronco won't start?

Could be gas in the oil causing low or no compression.


How do you know the Head intake and exhaust are bad?

The vehicle will have low compression causing it to misfire and not run


Can low compression cause an check engine light to come on?

If it is causing the cylinder to misfire, yes.


How do you fix an engine with low compression in all 6 cylinders?

The repair depends on what is causing the low compression. Low compression can be caused by a blown head gasket, cracked cylinder head, burnt or damaged valves, worn or cracked piston rings, scored block cylinders. It's kind of hard to imagine that an engine would have low compression on all 6 cylinders unless something major is wrong, or the compression gauge is not measuring properly.


What can be the problem with a 2008 crown Victoria misfiring on number four cylinder?

Moisture in the COP (coil over plug) boot/assembly, bad coil, bad plug, bad injector, poor fuel pressure, poor cylinder compression. Or damaged coil boot causing the coil to flash over.


What are symptoms of severe compression injuries due to whiplash?

Severe compression injuries affect the brain causing hematomas. Symptoms include loss of smell, double vision, brief loss of consciousness, confusion and loss of motor skills.


What could be causing your car too misfire?

it could be lack of compression, lack of fuel, lack of spark or lack of air.


When playing lacrosse should you wear your jock and cup over or under your compression shorts?

I wear my jock and cup over my compression shorts. My compression shorts have a contour pouch that keeps my junk contained, so it stays under the cup. The above answer is totally incorrect! You should wear your compression shorts over your cup-jockstrap so that the compression shorts hold your cup tight against your body! If you wear your cup over your compression shorts, your cup might not fit tight to your body and a blow there could just slam the cup against your testicles, causing pain and possible injury. Some cup-jockstraps do not hold the cup firmly in place against the body.