My car shakes and at times shuts off

Asked by Jul 15, 2016 at 08:23 AM about the Honda Fit

Question type: Maintenance & Repair

My 2004 Honda fit shakes when I drive it. It
doesn't have much power going up hill and
at times shuts down all together. I was told
I needed to change the coil, it was really
expensive where I am so at the time I
changed 6/8 and also changed the spark
plugs. Now I'm being told the fuel injectors
could be faulty. How many fuel injectors
would I need? And what size? What else
would I need to buy in addition to the
injectors. I feel like I'm flying blind here.
Any help would be appreciated.

1 Answer

35,255

The shaking and lack of power could very well be the engine misfiring. Keep in mind that is just a guess based on the scant info we have to go on. That could be caused by a faulty injector or faulty coil or...? But before you go and start throwing parts at it, a couple tests may be in order. First, make sure you are getting proper fuel pressure at the fuel rail. (your problem may be lack of fuel delivery and not injectors), you could also try a good injector cleaner. Second, test the ignition coils. You don't state what engine you have. 1.7L? Do you have the Coil-on-Plug (COP) ignition coils? http://troubleshootmyvehicle.com/honda/1.7L/how-to-test-the-ignition-coils-1 - so my advice to you is make every effort to know if the part is actually bad before replacing it.

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