Car Problem Reports

Mazda Tribute Damaged PCM Wires May Cause Engine Misfires

Mazda Tribute Problem
25 Reports
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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010

Engine Affected: 3.0L V6

Average Mileage: 131,278 mi (68,000 mi - 216,000 mi)


If the engine is misfiring, it may be caused by a damaged wire(s) which connect the fuel injectors to the Powertrain Control Module (PCM). The damaged wire(s) can be repaired or the emission wire harness replaced. A misfire can result in a loss of engine performance and illumination of the Check Engine Light.

  • bobhub, , 3.0L V6, 100,000 mi

    Just got word from the dealer, after 3 days of diagnostics, that it needed everything after the new pcm was installed, new manifolds, catalitic converter, and who knows what next, after reading the other stories here, I decided to just dispose of it, and cut my losses, I WILL NEVER BUY A MAZDA EVER AGAIN and will tell anyone who would ask to never buy a Mazda.

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  • Visitor, , 3.0L V6, 68,000 mi

    Already had coil replaced for misfiring and damage at #3. Now the misfiring/hesitation is starting again. Talked to Mazda and they "never heard of any such problems". With only 69000 miles and no other problems I hate to replace the vehicle but reading other posts with same issue it seems to be my only recourses.

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  • Visitor, , 3.0L V6, 140,000 mi

    Check engine light comes on, took the vehicle to the shop Engine misfires.

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  • Visitor, , 3.0L V6, 129,000 mi

    Bad PCM from misfires on 5&6 caused burn-out of catalytic convertors on manifolds and $2,500.00 repair. Diagnostic showed bad coils on 5 & 6, but after replacement, problem remained, hence PCM replacement, but only after catalytic convertors were damaged. This severely affected engine performance!

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  • Visitor, , 3.0L V6, 214,000 mi

    engine misfires. first it was the #1, replaced the coil, now it is the #5?????

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  • Visitor, , 3.0L V6

    the body control module has some kind of wire around the circuit it short itself gem cpu location mid dash lower floor center console YL8F-14B205-AB ECO3 67 560

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  • jpkmri, , 3.0L V6, 100,000 mi

    car misfires on 5th and 6th cylinder

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  • Visitor, , 3.0L V6, 195,000 mi

    bad misfire even worse under load checked wire harness at pcm by moving around pcm wire harness and miss misfire goes away

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  • Visitor, , 3.0L V6, 190,000 mi

    The EGR valve body was blown off the car 2 times. Codes are miss firing. It happened after the car sat for one week during coldest part of the winter.

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  • Visitor, , 3.0L V6, 72,000 mi

    started running roughly and not excellerating properly. Took it to the dealer who cleaned carbon out of engine then ran test and discovered a bad #3 ignition coil. They suggested replacing all three in the back since it involved removing the manifold to get to coil 3 and "no one replaces just one coil. Cost to replace 3 coils $700. cost to replace all six $1100. I've been ripped off by this dealer before for performing work my Tribute did not need so I declined their offer to do the work and am now looking for someone I can trust to fix the problem

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