2001 Toyota Tundra Cold Rough Idle

5 NO codes showing.

2001 toyota tundra cold rough idle. This will clear the computer values. Toyota Tundra SR5 47L. Unfortunately these are prone to hard starts extended cranking a rough idle and a check engine light that can result from odd fuel trims.

It also has a cold air intake on it. Im starting to notice that on each cold start up or even if the engine sits a couple hrs that the engine sputters for about 1-2 seconds. P1604 Startability Malfunction.

Twice now I noticed when I start the car in the morning the idle will be below 500 rpm for about 20 seconds. My 02 with 100k idles really smooth after replacing the battery recently it. It had 180000 miles in it for 3500 and boy did it run smooth.

Idle goes to 2500 rpm or slightly higher. Rough idle Stalling High idle speed Tundra P0505 Causes Typically P0505 is going to be caused by either a vacuum leak or a problem with the idle air control valve. I havent done any recent work on it and its due for an oil change.

After the engine heats up and Im coming to a stop eg a stop light or stop sign the engine will cut off sometimes or might or might not. 3 disconnect battery truck runs GREAT with 1800-1900 rpm cold start and 800 rpm warm idle. Toyota Has Told Me To Replace The Throttle Body.

About a year ago my idle was really rough and my check engine light came on. Codes 300 303 306. 6 with engine running disconnect TPS.