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you need a compression gauge
1 clean the aera aroud the spark plugs to make sure no dirt will get into the engine. Compressed air or some type of brush.
2remove all the plugs
3block throttle wide open
4detach coil wire and disable fuel pump
5install compression gauge in spark plug hole
6crank the engine at least 7 strokes and watch gauge
low reading with gradually increasing readings indicate worn piston rings
all low readings tell you that the head gasket is blown or leaking valves or a cracked head
really low reading needs a leak down test done by a shop to tell you where the real prob lies.
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∙ 16y ago
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Do 1991 Nissan 240sx come with LSD?
no
Will the passenger window from a 1991 Nissan 240sx fit into your 1995 Nissan 240sx?
Nope, different body styles
How do you replace the clutch in a 1991 Nissan 240sx?
ask the mechanic from the Nissan company
Will 1991 Nissan 240sx coilovers fit in a 1990 Nissan 240sx?
Yes they will, both are the s13 model and virtually everything on s13s is interchangeable.
What is the spark plug gap for a 1991 Nissan 240sx?
My 1992 Nissan 240 sx is 038
What makes a Nissan 240sx stop while you are driving?
what makes a 1991 Nissan 240sx stop while you drive. and it is not out of gas or oil. Could it be the ignition module
Where do you add power steering fluid on a 1991 Nissan 240SX?
the resivior is on the passenger side of the motor, its white, and you add it at the same place you check it.
Where is the fuel pump located on a 1991 Nissan 240sx?
in the floor of the trunk or hatch
How much transmission fluid capacity is in a 1991 Nissan 240sx?
It is 2.4 liters.
What is the cheapest way to make a 1991 Nissan 240sx faster?
instal turbo and intercooler
How many miles on a full tank of fuel do you get from a Nissan 240sx 1991?
about 300 miles
Will any sr20det engine fit in my Nissan 1990 240sx hatchback.MEANING A 1991-1998 SR?
yes it will and its about the best thing you could do to a 240Sx.
