I've had my 05 reg 130tdci Zetec compression tested at a dealers and got a report giving the compression as 4,5,7,8. Now I am not sure what this represents, I am led to believe this is derived from a laptop? Can anyboby enlighten me on this? what reading should I expect to get if I have it tested mechanically through a glow plug hole ( psi or bar)?
Cheers,
Regards Rich.
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why did you have it done?
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Possibly Bar;and the first two are low.
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And if they are Bar,all are low for a diesel.
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I've had trouble with starting, starts ok but struggles to tickover smooth on occassion.
Rich.
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