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PO125 and PO155 continue to trigger. Thermostat replaced and did not trigger error codes for 24 hours after replacing and putting new antifreeze (red) in the car. Happens only at speeds above 45 mph. Below will not trigger error codes

New thermostat, new o2 sensors, new temp sensor. Around town does not trigger codes only at interstate speeds. The thermostat was last thing replaced and it did fine on the interstate for one day. The next day back to the same two codes. Engine is the six cylinder

So I recently bought a 1995 Toyota Avalon with over 280,000 miles on it. So after getting gas today, my check engine light came on steady. And in addition the O/D OFF light was blinking for the first 40 or 50 miles I drove it after the check engine light came on. So once I made it to my friends house he hooked it up to his scanner and pulled the P1071 code. He cleared it for me, and all seemed well for a good 60 miles or so. Then all of a sudden on my way home the stupid check engine light came on steady again, accompanied by the o/d off light flashing again. The most recent work that was done on the car was $1,000 worth of brake pads, rotors and calipers front and back. Prior to that, I had to fix the missing O-ring under the radiator hose where it connects to the housing unit, because the check engine light came on the first time on me 20 minutes after I purchased the car. And it didn't start 45 minutes after I purchased it. And it over heated on me 4 times on my way home. I bought the car 15 miles from my house! So I'm about a month into this venture and have NO IDEA what this code means exactly or how I need to go about fixing it. BUT I NEED my car!! Hence the reason I bought a car!! LOL So Any idea's would be SUPER helpful and appreciated!!

Their is a turn signal sound coming from behind the ignition and lights blinking in the front

how can i get the display to come back, heater status still works

I drove (slowly) into high water and took water on into the intake and cylinders but it was only for 15 seconds AND i ONLY idled while in the water. I pulled the plugs and , OF COURSE, i had to remove the intake manifold to remove the plugs on the rear side of the moter. I charged the battery and i still Get NO POWER ANYWHERE in the vehicle. I mustve blown a main fuse

It was stolen I got it back and tried to start it it will crank over but no start. I saw a few fuses missing from the engine
Since I got it back from tow yard can't start it at all. It didn't start at the tow yard either

I was told that my Avalon needs lower control arms on both sides followed by alignment (recommended) plus rear sway bar bushing. What kind of cost should I expect? I hope not so expensive...

Toyota dealer quoted me a price of $1374.00. That seem high. They also said it will take 3.5 hours.

I was driving and it completely started smoking up. The lights in my dashboard dimmed out and the car completely shut off . It didn't change gears to go into neutral and a jump didn't help not one bit . My uncle is trying to find the fuel pump relay and cannot find it . Someone help ? Or do u guys think there's a different problem ?

the bulbs seem to be good no error lights nothing happens when you push the four way flashers on and nothing happens when you put the left or right signal switch on

Fix radiator dr 2 mi then it wont engage 1 2 4 or revers. Wait 20min an dives then 1 mile starts jerking an stops engaging in any gears wait then same thing happens.

I replaced both knock sensors (KS) and harness with OEM Toyota parts. I had a professional shop make the repairs. 30 days after install I am getting 0325 code again on one KS. Now have to replace again. Is it common for the KS to continually go out? I reordered the KS and harness from Toyota to try this process again. Is there another issue I should be looking at before repeating the repair?

Possible that it has to be hooked up to diagnostic (cost $50 even if no solution) Would like to repair myself if possible.

car up to date on maintance

I believe I can use a wire across two terminals on the Diagnostic box un der the hood , then turn on the ignition and count the flashes on the engine light , I would like to know which two terminals .