miss fires through the intake

2007 OPEL CORSA
214,000 MILES • 4 CYL • FWD • MANUAL
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SUHAYL
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I have a Bakkie 1.4i she just swings and miss fires through the intake. the timing is in order what else could it possibly be?
Oct 1, 2016 at 12:59 AM
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STRAILER
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Hey SUHAYL,

I would remove all spark plugs and do a compression test, then remove the valve cover to see if you have any broken valve springs.

Here is a few guides to help

https://www.2carpros.com/articles/how-to-test-engine-compression

and

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Please let us know what you find so it will help others.

Best, Ken
Oct 4, 2016 at 10:45 AM
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SUHAYL
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Hi there thanks for the help but nothing wrong with the valves or springs is it a possibility the rockers or lifters could cause that?
Oct 4, 2016 at 11:02 PM
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STRAILER
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Yes, with the ignition dissembled crank the engine over to see if each rocker moves up and down. If not you may have a flat camshaft.

Best, Ken
Oct 5, 2016 at 9:55 AM
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SUHAYL
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Check everything new cam different rockers and different lifters problem presists any other ideas?
Oct 5, 2016 at 10:51 AM
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STRAILER
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Does the car have any trouble codes can you scan it it see what it shows?

Oct 5, 2016 at 9:12 PM
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SUHAYL
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That's the funny thing scan the car no fault code pertaining the misfire.....

Prior to the vehicle cutting out the engine light came on when the vehicle speed was above 100km/h and when you slow down pass 100km/h she goes back off
Oct 6, 2016 at 5:10 AM
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STRAILER
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It now sounds like it could be the timing chain has jumped. Does the engine sounds normal when cranking over. Can you perform the compression check?
Oct 6, 2016 at 9:30 PM