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Gary, ASE Certified Technician
Category: Saturn
Satisfied Customers: 16759
Experience:  22 years GM master tech..ase mater tech
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Misfire on #4 : random I took the plugs out they we .55 gap

Customer Question

misfire on #4
JA: How many miles are on the car? Is it a steady misfire? Or random?
Customer: random I took the plugs out they we .55 gap , I re-gaped to .32. It seemed to run better, I got some NGK ridium ix plugs.I runs a lot better but engine light still on and I can feel slight miss. I put an ohm meter on #4 injector and got a good reading. the original code was P304
JA: Are you hoping to fix this yourself?
Customer: yes I don't have a very big budget
JA: Great! What have you tried so far?
Customer: did you get prior message
JA: Is there anything else the Saturn Mechanic should be aware of about your Saturn?
Customer: no it has run with no problem except an occasional engine light on and off , it was new in2009 , 2008 with 4 miles
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Saturn Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Saturn
Expert:  Gary replied 1 year ago.

this is a 2008 ?

what model and engine size Saturn is this ?

Customer: replied 1 year ago.
2008 Saturn Astra xr, I think 1.8 liter 4 cyl.
Expert:  Gary replied 1 year ago.

if you clear the code how soon before the P0304 code resets ?

Expert:  Gary replied 1 year ago.

how are you making out ?

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