Honda Car Forum


Go Back   Honda Car Forum - Accord Parts Civic Tuning Acura Racing > Honda Acura > Honda 2

LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 23 Dec 2019, 04:41 am
Posts: n/a
Default F20A 's service schedule should incl checking throttle*sensor 's wear

every 60,000 km ; *'s resistance betw the 2 pins connected to yellow+white & red+black wires ( on *'s plug ) ↑ with wear ( as the electrical contact areas ↓, the ampere flowing through ↓, so resistance↑ ). A usable * ( @ rest ) can have just 411 ohm but a worn * ( causing idle rpm to fluctuate betw 1400 & 600 ) can have 1110 ohm. ECU interprets this higher resistance as throttle plate having turned >20º, & soinjects more petrol, so (i) spark plugs foul (ii) bottom of the idle air screw ( on throttle body ) gets much soot, so less & less air can flow past,so idle rpm keeps dropping.
Meters' panel does not show, & very few users connect a volt meter to, O2 sensor's output voltage ( -ve during idling, if sensor is not hot enough ), so nearly no user can notice too much petrol is injected.
Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
F20A 's service schedule should incl checking throttle*sensor 's wear TE Cheah Honda 3 0 17 Dec 2019 08:56 am
throttle body position sensor/throttle body replacement? Cody Honda Technical 1 06 Nov 2013 01:01 am
Throttle Assembly - Throttle Sensor k_ross_burlington Honda 3 11 14 Feb 2010 12:28 pm
CRV 2002 Throttle Sensor? ex_directory Honda Technical 1 23 Sep 2008 02:18 am
throttle position sensor 1990 Civic - can't remove, just replace throttle body? dex3703 Honda 2 4 29 Jan 2007 02:37 pm

All times are GMT -5. The time now is 12:21 am.

Honda News | Autoblog
Powered by Yahoo Answers

Powered by vBulletin®
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.
LinkBacks Enabled by vBSEO 3.6.0 PL2 © 2011, Crawlability, Inc. is not affiliated with Honda Motor Company in any way. Honda Motor Company does not sponsor, support, or endorse in any way. Copyright/trademark/sales mark infringements are not intended or implied.