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If there is NO compression on any of the cylinders, you've probably slipped the timing belt/chain.
Just knowing that there is no compression is insufficient information to make a decision about replacing the engine.
You COULD need to have the engine rebuilt, or it's possible that a valve "kissed" a piston and the engine is toast.
Or... it could be something else. If it's just low compression in one or two cylinders, it could even be caused by burned or sticking valves.
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∙ 14y ago
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Do you need a new engine if there is no compression in one cylinder?
Depends on why there is no compression.
Low compression in number one cylinder in a 1.8 dual overhead cam interference engine?
Low compression in one cylinder can mean several things. The valves or piston rings may need to be replaced. There may be a crack on the engine, or the head gasket may have blown. The engine should be diagnosed properly to see what exactly is the cause of the low compression.
Why do you need compression in an engine?
The higher compression the engine the more power it can theoretically produce. The compression ratio is mainly determined by the type of fuel being used.
What type of engine uses compression ignition as it has no spark plugs?
a diesel engine uses compression and has no need of spark plugs
What is a remedy of the engine if it is loose of compression?
If engine is losing compression it is likely the rings are worn and need replacing. The valves are likely leaking too and need replacing.
What is loose compression?
Loss of compression is caused by bad internal engine wear or internal engine failure. Both mean the engine will need serious repair
Replaced the ignitioncar won't start?
The engine needs fuel, compression and spark, you are missing one of those.
Why is the breather side of the valve cover keep blowing smoke on your 1986 Chevy caprice?
That is because the compression ring on the piston/pistons are bad and need to be replaced. Time for engine overhaul.
You have replaced the carb and the computer and it still will not start what do you do now?
The engine needs fuel, spark and compression. You are missing one of those.
Why compression ratio of petrol enine is 8 where as diesel engine is 22?
because a diesel engine ignites its fuel with pressure, and not with a spark like a petrol engine. that is why a petrol engine does not need as high a compression ratio as a diesel engine
You have a 96 ford probe gt the alternator belts broke off you replaced them and now your engine its not starting it lost the compression could it be the timing belt gone off too?
That's the first place I'd look if an engine had no compression.
Does timing chain for 2001 park avenue need to be replaced?
No, normally they will last the life of the engine and are replaced when they engine is overhauled.
