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Drew, Super Mazda Tech.
Category: Mazda
Satisfied Customers: 2188
Experience:  19 yrs. experience. Mazda Senior Certified Tech, with Ford, Linc. & Merc. experience. ASE L1 Advanced Certified Master Tech.
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I have a 2008 Mazda cx-7. 2.8L turbo Vin#JM3ER29L780194940 &

Customer Question

I have a 2008 Mazda cx-7. 2.8L turbo Vin#JM3ER29L780194940 & cylinder is misfiring it has spark & it's only cyl1 because if I use my scantool and deactivate injectors for cylinder. 2, 3, & 4 the rpm's drop and I feel the cylinder change. only cyl 1 is dead. I'm going to do a compression test first on that cyl.
Submitted: 1 month ago.
Category: Mazda
Expert:  Kevin replied 1 month ago.

Hi im kevin compression test is deffinatly the first place to start .rules out alot of different issues in one test

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