20 Most Recent 2005 Toyota Highlander Questions & Answers

https://www.youtube.com/watch?v=dQjlhiOrV3g -----------https://www.youtube.com/watch?v=5-ZlA61OY7o ---------https://www.repairsmith.com/blog/p0352/

to reset for a momentany malfuntion,disconnect the negative battery terminal few minutes, reconnect,start engine and drive to check

A p0420 sets after Engine and catalyst are warmed up, vehicle driven within set vehicle engine speed range and waveforms of heated O2 sensors bank 1 sensor 1 and bank 1 sensor 2 have the same amplitude.Catalytic convertor and O2 sensors need to be tested

try this link https://www.justanswer.com/toyota/6kkxa-toyota-highlander-change-140-amp-fuse.html

Have you got the owners manual? It should show fuse and relay locations in there

it is installed prior to fitting the dash so removal will require the dash removal

the best way to fix the problem is service and repair manual with diagram which will help you to fix the problem easily by your own and you can get the manual from the given link http://toolsnyou.com/

It could be many things including one or more wheel bearings but your description of the noise is vague. Only a hands-on inspection by an experienced person will find the culprit.

Possible air trapped in the coolant system caused be a head gasket leak into the coolant. For about $25.00 you can get a block tester from any parts store. This will let you know if there is exhaust leaching into the coolant. Google block tester. If you find its a head gasket leak. It's remedied by replacing the head-gasket. Or a quick fix with SteelSeal.com

hello, this code usually comes up in conjunction with another code, it just means that another computer on the car can not communicate with the ECM, are there any other codes besides this, is the abs/VSC, TRac cruise control or 4x4 lights on?

Go get the codes pulled at auto parts store.

The converters generally fail only after the truck has been running rich. I would not replace them until certain the engine is running properly. There is no harm to the car to drive with these converters. Was there any history of rich operation codes?

How old is battery?