Question about 1998 Toyota Avalon

1 Answer

My 1998 Toyota Avalon XLS just shut down while driving took to dealer and another repair they cannot seem to diagnose it

Have replaced mass air flow sensor, fuel pump is good changed spark plugs and wires gets fire but will not start

Posted by on

1 Answer

No reason at all, that a dealer or local shop
can not find some type of problem

No way we can guess from the internet, with no
vehicle to test,you know that

Posted on Nov 07, 2014

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

SOURCE: 1998 Toyota seems like its boggin down when starting

I had this problem recently with my 98 camy LE. Just replace or clean the idle air control valve

Posted on Aug 25, 2008

  • 1 Answer

SOURCE: 93 TOYOTA HILUX ( 22RE ) STARTS THEN STALLS AFTER 1-2 MINUTES

Try cleaning the throttle body.Check the air-gap for the pick-up coil inside the distributor assembly(use a brass feeler gauge)
Check valve clearances if needed(possible tight intake valve adj.)
Check base timing(follow instr. via under hood label)
Hope this helps.

Posted on Mar 17, 2009

emissionwiz
  • 75822 Answers

SOURCE: Cost to replace exhaust system on Toyota Avalon XLS

ABOUT $500 US

Posted on Sep 05, 2009

  • 1861 Answers

SOURCE: My 2004 Toyota Avalon XLS will not start. The

The first thing to do is try another key. Perhaps your transponder key has failed.
You can identify a 'transponder key'; it has a wide part wher you turn it.

Posted on Sep 17, 2009

SOURCE: 1990 4Runner, 3.0 L engine, won't hold idle, wants

Have you looked at your idle air control valve What is it? This is an electrically driven valve that allows additional control over the throttle at idle Where is it located? The IAC is located on or adjacent to the throttle body and consists of a small device held on by two bolts with an electrical connector.
How does it work? When the throttle is closed the throttle plate closes off any air from the intake manifold. In order to stop the engine from stalling due to lack of air the IAC opens a small valve allowing air to pass from the air ducting to the intake manifold. Often the IAC components consist of an air inlet port in the inside wall of the throttle body, immediately in front of the throttle plate, with a similar exit port behind the throttle plate. Connecting the two ports is a motor driven valve. When the valve is opened air effectively by-passes the closed throttle plate to maintain the engine at idle. The IAC also augments the throttle when additional power demands are put on the engine such as steering.


Symptoms of faulty IAC

  • Poor starting: If the IAC fails to open or the inlet/exit ports are clogged shut with carbon the engine may start and then promptly stall. The engine can be kept running by pressing the accelerator. However any additional demand on the engine such as power steering or putting the car into drive (automatic) will cause the engine to stumble badly and often stall.
  • Engine cut out: Even with the engine warmed when the vehicle is stationary such as at a red light the putting of the transmission into of 'drive' to pull away before the accelerator is pressed can cause the engine to stall. (Note this differs from the TPS fault which causes engine stall due to the accelerator being pressed too quickly)

How to check? Physically remove the IAC but keep the electrical connection to it. Temporarily block off the now open ports on the throttle, turn the engine on and examine the IAC valve action in response to additional loads (power steering inputs etc). The valve should open and close according to demand.

How to fix? If the motor of the IAC has failed then replace the IAC. If the valve is gummed closed by baked oil and carbon then clean it thoroughly with carburetor choke cleaner spray and a cloth. Similarly if the entry and exit ports on the throttle body to the IAC look blocked again clean them out thoroughly.

Posted on Jun 03, 2010

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1 Answer

How do I turn off the anti theft device on a 1998 Toyota Avalon XLS


u can't what i did is i bring the lock cylinder to the lock smith, he change the inside so you can use the old key.
if you don't have the old key you to bring it to toyota so they can program the new key and it cost a lot

Nov 02, 2014 | 1998 Toyota Avalon

1 Answer

My 1998 Toyota Avalon XLS squeals loadly when I start the engine and the fan is on in the car. I turn of the fan and it stops. After driving I turn the fan back on and don't get the squeal anym


Almost certainly one or more of the drive belts (not the timing belt) on the engine needs an increase in tension. It may tell you about this in the owner's handbook.

If not you can either ask a mechanic to do this straightforward job for you, or try it yourself. You can download a zipped service manual from here

http://www.freeautorepairmanual.org/free-download-toyota-avalon-service-manual.html


and look these belts up in the charging section and steering section.

May 15, 2012 | 1998 Toyota Avalon

1 Answer

I own a 1998 Toyota Avalon XLS and I'm having a problem with emission test, the NO reading is 3 times higher than the limit. Can you please let me know what cause this problem as I already replaced the EGR...


If the CO, HC, and O2 readings are average, then I still suspect the ERG is not being controlled correctly. The EGR should be cold at idle because the EGR ruins the engine vacuum at idle, so must be shut off. And get hot at mid range speed. You can usually feel it with your hand. If it is not opening, then try to manually open it. If it is vacuum, then put a vacuum to its hose port directly. It is it electric, then hot jump it. It is does not cause idle to drop, it is frozen or clogged.

If CO, HC, and O2 readings are below average, then the engine is just running too lean and that gets too hot. Check the sensors, temp, O2, an air mass. An ohmmeter reading of 0 or infinite is bad. The air mass and O2 sensor often are just dirty and need cleaning. PCV foam on the air mass sensor, and carbon on the O2.

Feb 20, 2011 | 1998 Toyota Avalon

2 Answers

The correct firing order for 1998 toyota avalon with a six cylinder engine


1998 Toyota Avalon XLS 3.0 liter DOHC V-6 (1MZ-FE)

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I hope help with this (remember to rate and comment this).

Oct 02, 2010 | 1998 Toyota Avalon

1 Answer

I have a 1998 toyota avalon xls the heat and a/c stop working


See toyota technical service bulliten AC005-99.
This is a expensive repair but if you just unplug the the air inlet servo motor(behind the glove box )
the air should start to work but without fresh/recirc control.

Oct 21, 2009 | 1998 Toyota Avalon

1 Answer

Timing Belt


Should be replaced due to age. Just remember a new car can break down any time as well.

Mar 07, 2009 | 2000 Toyota Avalon

1 Answer

Toyota Avalon XLS, yr 2000, engine lights on


P0171 is a lean code. Open the hood, and locate the mass air flow sensor. Small black thingy in the intake tube between the air filter box and the engine, held in with 2 small screws. Remove the connector, remove the screws, and remove the sensor. Look into the sensor, you are going to see a couple of wires deep inside it. They will probabaly be "fuzzy" looking. Spray some brake cleaner on the wires until they are nice & clean. This will cure the P0171 code. Then check the air filter; replace it if it is dirty.

P1130 is an air-fuel sensor code, bank one, sensor one. More often than not, when we see this code, we replace the air-fuel sensor. Buy the replacement from you Toyota dealer, because the aftermarket sensors will not send the proper signal to the ECU, and you will be upset for having to buy a second sensor.

P0440 is a leak in the evaporative side of the fuel system; this looks after the fumes of the fuel in the tank. There are several reasons for seeing a P0440, like leaking vacuum lines, faulty fuel cap, rusty fuel filler tube at the cap, etc. This is kind of difficult to rectify without the proper equipment needed to diagnose what & where the actual leak is.
Hope this helps, please consider kind remarks regarding this solution. Thanks.

Jun 10, 2008 | 2000 Toyota Avalon

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