Originally Posted by eseibel67
Exhaust manifold leak could cause the ticking noise when cold, then as it heats up it expands enough to seal.
This might also explain the driveability. The leak is causing lean O2 reading and PCM is trying to compensate by adding fuel causing it to run like ****.
Hmm.. I never thought of that. Someone also said something about my lifters.. I had my car seafoamed 1000 miles ago so I was wondering if this could have been the problem at all?