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Tim Mohr
Tim Mohr, ASE MASTER TECH
Category: Nissan
Satisfied Customers: 560
Experience:  30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL
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My 06 titan has a misfire on cylinder 1. I've changed coil

Customer Question

My 06 titan has a misfire on cylinder 1. I've changed coil plug and injector. Still missing
JA: How many miles are on the car? Is it a steady misfire? Or random?
Customer: 86600 and it's steady
JA: Tell me a bit more about what's going on so he can help you best.
Customer: Burned up 2 coils on opposite bank. I think I have that straightened out Also did a compression test on it and it checked out fine
JA: Is there anything else important you think the Nissan Mechanic should know about your Nissan?
Customer: Nope
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 Nissan Mechanic about your situation and then connect you two.
Submitted: 5 months ago.
Category: Nissan
Expert:  Jake replied 5 months ago.

Hey there, did you verify your battery grounds and manifold ground was good since your burning up coils?

Expert:  Jake replied 5 months ago.

more than likely you have an intake leak at that cylinder or a headgasket leak.

Best way to check that would be to smoke the intake while sealing off the throttle body.

Customer: replied 5 months ago.
I want to say yes but I will double check that today.
Expert:  Jake replied 5 months ago.

sounds good. check the grounds and smoke the intake and get back with me.

Expert:  Jake replied 5 months ago.

worst case scenario we have to pressurize the cooling system and remove the plug in cylinder 1 or do a leakdown on that cylinder.

i say save that for last and we can use the compression tester with schrader valve removed for the leakdown.

Customer: replied 5 months ago.
10-4 will do
Expert:  Jake replied 5 months ago.

thanks

Expert:  Jake replied 5 months ago.

I wanted to check back and see how you made out. If you need further assistance let me know please, if not just be sure to leave a kind rating so the site credits me for my time is all.