2004 Mitsubishi Endeavor Questions

Get answers to questions about your 2004 Mitsubishi Endeavor at RepairPal. Find solutions, diagnose problems and get back on the road.

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I have a 2004 Mitsubishi endeavor with no heat, the blower works on all speeds, the air condition is cold, but no heat. I ruled out the the thermostat as the vehicle water temp is normal, raising the engine does not cause it to get warmer, whats the problem?

When driving in automatic (sport shift), the transmission will go through all gears 1-4 before it reaches 35-40 mph. If I stay within this range, it will begin "lugging" down, like the rpm's are too low in this gear. If I pop it into manual shift I am usually in 4th gear at about 1000 rpm's. It does happen in 3rd gear also. When using manual shift, there are n't any problems with it at all. No check engine light has gone on, FYI.

There were no signs the transmission was going out-such as slippage

It has not shown any signs of going bad such as slippage until yesterday when it just stopped working

I'm changing the front valve cover gasket and want to adjust the valves if possible or if necessary.

I changed my oil head gasket it was sealed on really tight I had to scrape really hard to get it off and I finally put in a new one because old one had a leak then I changed the spark plugs also new battery and oil change when I took my car to get some gas it shut off like it had loss of power and now I can't drive it without it shutting off someone help me please !!

And if I let off the gas it stops or if I tap the gas while on the gas it stops

2-3 gear shift flare will it hurt to just keep using it instead of spending 1200 dollars to fixit?