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2018 Mazda 6 Signature 2.5L No Start
Posted to Asian Driveability on 4/6/2026 6 Replies

We replaced the cylinder head for a coolant leak, a crack on the back of the head and after reassembly, we have a no start no spark condition. we have verified we have power and ground to the ignition coils but no trigger. We also verified cam and crank si...

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car Vehicle Data

2018 Mazda 6 Signature

VIN JM4GL1XYXJ
Engine2.5 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways
Open Help Request

car Vehicle Data

2018 Mazda 6 Signature

VIN JM4GL1XYXJ
Engine2.5 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways