1998 Toyota Avalon - Answered Questions & Fixed issues


Do you have a P0306 misfire code?

Remove the spark plug #6 and compare to the color charge below.

Do a compression test on all cylinders and check the values.
The highest and the lowest psi should be within 10%.


Here's a link to Eric The Car Guy channel
https://www.youtube.com/watch?v=X_tbksFYhl4

Eric The Car Guy is a great resource to track down common DIY repair.

1998 Toyota... | Answered on Jan 30, 2019 | 60 views


The battery needs replacing.Also it confirms that alternator is the issue too.

Check the help links mentioned below.This will help you to get the alternator tested and confirm the problem :----

Click the link :----
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How to test and replace Alternator on Audi A4 Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-test-and-replace-alternator-on.html

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How to inspect Vehicles Alternator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-inspect-vehicles-alternator.html

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How to Test Vehicles Alternator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-test-vehicles-alternator.html

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How to Service Vehicles Alternator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-service-vehicles-alternator.html

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How to Replace Alternator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-alternator.html

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How to monitor Vehicles charging system?

http://repairhelpcenter.blogspot.com/2011/11/how-to-monitor-vehicles-charging-system.html

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Car Alternator making noise?

http://repairhelpcenter.blogspot.com/2011/11/car-alternator-making-noise.html


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Car Alternator Working Intermittently?

http://repairhelpcenter.blogspot.com/2011/12/car-alternator-working-intermittently.html

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Car Alternator Bearing Makes Grinding noise?

http://repairhelpcenter.blogspot.com/2011/12/car-alternator-bearing-makes-grinding.html

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How to Inspect Alternator Drive Belt?

http://schematicsdiagram.blogspot.com/2011/12/how-to-inspect-alternator-drive-belt.html

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How to replace Alternator Drive Belt?

http://repairhelpcenter.blogspot.com/2011/12/how-to-replace-alternator-drive-belt.html

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How to change Alternator on Peugeot

http://www.howtorepairguide.com/2012/11/how-to-change-alternator-on-peugeot.html


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1998 Toyota... | Answered on Jul 17, 2018 | 619 views


Yes, there's a fuse box inside the hood for ac but there's one more in another fuse box inside the car for the ac control. Check the one inside first.

1998 Toyota... | Answered on Mar 05, 2018 | 279 views


I had a reliant that did the same thing I put in a manual choke control cable and used it for another year before I got rid of it for a newer car, hope this helps

1998 Toyota... | Answered on Oct 24, 2017 | 58 views


If the engine is cold it will race until warm. If the battery voltage is low the ECU will use a high speed to charge the battery.

1998 Toyota... | Answered on Oct 14, 2017 | 57 views


https://www.youtube.com/watch?v=w4oJhsUo9Wc
maybe this will help
http://www.partsgeek.com/mmparts/ignition_lock_cylinder/toyota/avalon.html

1998 Toyota... | Answered on Aug 08, 2017 | 223 views


indicates a problem EVAC system
run the fault codes

1998 Toyota... | Answered on Jun 22, 2017 | 93 views


Check the fuses, relays, anti theft and security system.

1998 Toyota... | Answered on Jun 03, 2017 | 107 views


The unit may have been installed incorrectly or installed without being connected to an external amplifier.

1998 Toyota... | Answered on May 27, 2017 | 112 views


On this website you find fuse box diagram and description for Toyota Avalon (1999)

Toyota Avalon First Generation XX10 1999 fuse box diagram Auto Genius

1998 Toyota... | Answered on Apr 10, 2017 | 449 views


In the exhaust head pipe of the engine before the first catalytic converter in the engine cylinder bank that contains the number one cylinder.

1998 Toyota... | Answered on Jan 06, 2017 | 52 views


On this website you find fuse box diagram and description for Toyota Avalon (1998)

Toyota Avalon First Generation XX10 1998 fuse box diagram Auto Genius

1998 Toyota... | Answered on Jul 24, 2016 | 361 views


This is known as 'dieseling'. The most common causes are

-idle speed set too high

-engine operating too hot (faulty thermostat, faulty temp sender, leaky head gasket)

engine timing is out (loose distributor clamp, worn timing belt, faulty timing belt tensioner)

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1998 Toyota... | Answered on Aug 18, 2016 | 61 views


It may just be a case of needing the remotes to be programmed, see the dealer on this.

1998 Toyota... | Answered on Jun 15, 2016 | 36 views


It sounds like a classic case of an idle speed control motor sticking. If this problem happens when it is cold then does not do it until it sits and gets cold again this is probably the problem. The idle speed control motor is bolted to the bottom of the throttle body. Pay attention that throttle body needs to be removed to get it off.

Hope helps.

1998 Toyota... | Answered on Oct 23, 2016 | 239 views


It sounds like a delayed shift issue, does the engine idle speed sound or feel like it is to high? That can cause this issue.

1998 Toyota... | Answered on Jun 02, 2016 | 71 views


hello can a clog muffer make a Toyota Avalon 1998 run badly and give it funny song

1998 Toyota... | Answered on Jun 01, 2016 | 163 views


A common reason is a dirty throttle valve and Idle Speed Control Air bypass valve on the engine intake manifold. Buy a can of throttle body cleaner from a parts store and clean the two parts.

1998 Toyota... | Answered on May 03, 2016 | 36 views

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