Harold, Thanks, I will check those wires and switch. David T, I get the same problem with no humidity or high humidity. It really depends on how long the car has sat without being ran. I know I need a possible valve adjustment on the 4,5,6 side. Checking the plugs for wear is on my to-do list. They were installed last May and have just under 17k miles on them along with the wires, cap, rotor & O2 sensor. Air filter was changed just before Pigeon Forge. Shannon Y 16506 ------------------------ ------------------------ Sounds like the thermo-time switch mounted on the waterpump is not functioning or, the wires are not connected well at the switch. Since the wire switch thing worked for you the cold-start valve is apparently working ok. Harold McElraft - 3354 ------------------------ ------------------------ Was the humidity really high? It sounds like you need a tune-up replacing the cap, rotor, ignition wires, and spark plugs. Under high humidity conditions the secondary ignition system breaks down and the spark doesn't get to the worn spark plugs. Once you get the motor a little warm it is fine. To complete the tune-up you should also replace the air filter, the O2 sensor, clean the fuel injectors, and adjust the valves. You should make sure all the engine systems are functioning, check the timing, and no vacuum leaks. Don't touch the mixture screw. If it was properly set in the first place it should not need to be touched. David teitelbaum vin 10757 __________________________________ Do you Yahoo!? Yahoo! Mail - 50x more storage than other providers! http://promotions.yahoo.com/new_mail To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/