Guys, please chime in... 1 - Clunk sound after suddenly letting off gas and (typically) transmission has not shifted. I'm able to avoid the clunk if I let off the gas very slowly. My truck also vibrates when it gets to 60-65 and it also makes a clunk from P to R or D. I'm thinking motor mounts and/or U Joints. 2 - Car won't start (No CEL) sometimes in the morning unless I press down the EFI relay. The EFI relay does get hot after running the car, but the no starting thing is 99% of the time when it is cold. I'm thinking relay box contacts? Any advice is greatly appreciated. Thanks!