Marke525

Thanks for the reply. I'll start tearing it apart this weekend, again :cries: Look for some simple things too. Like the distributor caps/rotors and wires. Maybe something is not quite right in that department. It is not uncommon for those items to give problems after being disturbed. Double check vacuum lines, sensor connectors (and connections). Hopefully, you changed the caps/rotors while you were in there? I did change the caps and rotors. I hadn't thought about double checking the vacuum lines and electrical connectors. I'll start there. Thanks for the thought.

Try this thread: http://us.lexusownersclub.com/forums/index...showtopic=30385

Thanks for the reply. I'll start tearing it apart this weekend, again :cries:

It is a 1992 LS400. Thanks for the input. I ran it for a couple minutes and the check engine light didn't turn on, but I'll check with the code reader anyway. I figured since it runs but not well that the timing being off a tooth would be most likely. I'll keep you posted.

I just replaced my timing belt and water pump. The problem is that the idle is rough and idling low (550 rpm). I think the problem may be one of the cams is not aligned properly. My question is how do I check to make sure the cams are aligned properly? One has a timing mark and I thought the other one had one, but it was very faint. If the timing mark isn't there, is there an other way to make sure the cam is aligned correctly?

I recently replaced the front air shocks. The passenger side leaked out during a trip and when I got it home I fixed the leak (bad o-ring), but now my ride height switch does not work and even after 5 minutes of running the passenger side has not pumped up. I checked the fuse and it's good. I don't seem to find any leaks. I notice that both the pwr button and the sport suspension button work, but not the ride height. When I switch to high on the ride height the dash display stays on normal. Any suggestions? Thanks, Mark

Those are great sites, except they don't have any choice for the year 1991. Keylessride.com only goes back to 1993. :cries: