twobrosauto

after clutch replacement, lost spark intermittently, checked and replaced crank and cam sensors, check continuity between sensors and ecm, all checked out good...after vehicle sits, starts and runs great, road test vehicle, runs rough, bucking as if cat is restricted, shut vehicle off, starts and runs fine...also mass air flow sensor is known good tester, also during clutch swap, cleaned mating surfaces engine to trans for good clean ground, as anyone run into this same issue. im at a lost...

Drag0n97

iTrader: (4)

Did u make sure the key was lined up when u put the flywheel back in?

Maxima 97 SE

You've did you use oem sensors or aftermarket. If aftermarket, put the oem sensors back in and see if it works better because aftermarket sensor have a hard time communicating with the Ecu and can give false readings.

98maxaholic

what about the mating surfaces between the trans and motor? alot of people had luck after sanding the surfaces!

Quickywd01

iTrader: (16)

I was going to say the mating surface issue but he obviously can't have that issue right?

98maxaholic

OOPS, i over looked where he stated he did the mating surfaces..