I then installed the compression gauge and while i had my gas pedal all the way to the floor i was cranking the motor for about 5 10 sec on each cylinder until it reached its.
Compression test gas pedal to floor.
Make sure the car is at operating temp also i take the ecu fuse out so i won t get fuel then i just take out one spark plug and screw the compression tester in.
A compression test is a good way to get a baseline of the mechanical health of your engine.
Record your readings from the gauge and repeat this on all cylinders.
Hello i take spark plug out screw my compression test in cart is in neutral push pedal all the way down.
Yes you need to hold the gas all the way to the floor while your cranking the motor over.
Hold the gas pedal to the floor to open the throttle plate and keep it at wot wide open throttle for as long as you re cranking if you didn t pull the mpi fuse there would be a bit of a mess now.
Cavell august 28 2019 9 29pm 16.
This should put the fuel system into clear flood mode which means it turns off the injectors while you crank.
Hold the gas to the floor and crank it over 5 10 times until it stops going up then do the same for the other plugs.
In the video below i show putting the gas pedal to the floor when cranking the engine.
Is this correct way i am getting 150psi doing it this way but i don t know if i am supposed to be putting gas pedal all the way down.
Have your assistant hold the gas pedal all the way to the floor wot wide open throttle and begin cranking the engine over for a count of 5 to 7 seconds.