20 Most Recent 2001 Toyota Avalon Questions & Answers


It just can't do that. No way to shut down one side of an engine.
Misfires are caused by lack of fuel, spark, or compression. One of the three is missing. One whole side-that rules out spark. Coil pack design just won't affect one side of the engine. That leaves fuel or compression. Some multi-port injection systems are so-called "bank fired" -that is, one side or bank of the engine will pulse the injectors at the same time, first one bank, then the other. But in the early '90's, some cars came out with sequential fuel injection, which pulses the injectors individually, following the firing order of the cylinders, more precise fuel metering that way. I would have thought that an Avalon would be sequential injection, but you could check. Anyway, you need to check if the injectors are working on 2, 4, & 6. The power wire to all injector systems is a single wire that is spliced to each injector. Conceivably, the splice to that bank or side may have broken. With key on, every injector should have voltage at the injector connector. Only two wires to each injector- a power wire and a ground wire. If no power on 2, 4, or 6-that is probably it. (On bank fired injection, all three ground wires on each side splice together before the ground wire goes into the computer. With sequential, each injector ground wire goes to the computer separately.)
Beyond fuel, it is possible that the fuel/air mixture is being affected on only one side. If you have a noisy exhaust leak on that side, it could lean out the mixture.
Finally, low compression will cause a misfire. Possibly, a camshaft on that side is not in time. Only way to check is to do an engine compression test.

2001 Toyota... | Answered on Mar 31, 2019


Your radiator fan stopped working maybe a blown fuse bad relay or radiator fan switch.When you drive the car get air and cools down when you are in park the fan is supposed to provide the air if needed but its not working. However the fan itself could be burnt out and may need to be replaced. Good Luck

2001 Toyota... | Answered on Nov 13, 2018


the other one is the power steering belt and they are fairly easy to change.

2001 Toyota... | Answered on Sep 21, 2018


Sounds like you answered your own question.

2001 Toyota... | Answered on Aug 19, 2017


you disable it you disable car theirs a reason its called a security system have another key cut

2001 Toyota... | Answered on Jul 29, 2017


Go to YouTube to find thst answer

2001 Toyota... | Answered on Jul 08, 2016


Hi!!
On your harness, the black and white/blk wires are for the defogger, you are not going to use them.
Please provide an email address to send you the wiring diagram. This site do not take images greater that 150k

2001 Toyota... | Answered on Jan 12, 2016


normally located under or beside brake master cylinder

2001 Toyota... | Answered on Jan 09, 2016


Usually on or around the firewall of engine compartment.

2001 Toyota... | Answered on Nov 30, 2015


start with putting a battery in key fob

2001 Toyota... | Answered on Mar 14, 2015


It sounds like possibly a bad CV joint. Do you hear a clacking sound when it jerks? There are other possibilities, but just take these possibilities one at a time until you find the problem.

2001 Toyota... | Answered on Mar 13, 2015


check coil pack and injector harness for that bank.

2001 Toyota... | Answered on Feb 27, 2015


rear one on top its first one

2001 Toyota... | Answered on Feb 21, 2015


Backfire often means lean fuel condition. Check for correct fuel pressure and report here.

2001 Toyota... | Answered on Feb 10, 2015


This could be a number of things....Really need more info...Because if it shuts off when you apply the brake and let off gas at the same time it could be an inoperative brake power booster or loss of vacuum..( vacuum leak )..Try this but don't touch brake.....If it dies without touching brake It could be too many things just to try and guess which is the inoperable component..To save time,money and headaches you need to hook it to a scanner...Has it been tuned up..?.What is engine size..,what is mileage..?.Did it happen all of a sudden..Does it get worse or go away at times...and so on..More info is needed for me to just guess...It may be a Throttle Position Sensor..O2 sensor....etc...too many to list...Save a Headache and have it scanned...Auto zone and some parts stores will scan it for free just for your business.....Although in some cases ONLY a DEALER SCANNER will be needed to find exact fault....GOOD LUCK....

2001 Toyota... | Answered on Dec 13, 2014


CHECK FOR VACUM LEAKS. IDLE AIR CONTROL VALVE CAN ALSO CAUSE THIS

2001 Toyota... | Answered on Dec 11, 2014

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