Question about 1988 Dodge B350
This is a difficult question to answer in a short manner. The engine uses about a half a dozen sensors to sense how the engine is running.
The throttle positioning sensor tells the computer where the accelerator pedal is, the Map sensor tells the computer how much pressure is in the intake manifold. The MAS ( mass air flow sensor) tells the computer how much air is moving through the intake tube, and the coolant sensors determine engine temp and send this to the computer to aide in idle speed whether it's hot or cold out.
Then you have the 02 sensor which tells the computer how much oxygen is being sent out the exhaust. And lastly the idle air controller, this is what makes the car idle and is influenced buy the other sensors and computer to tell the engine to idle at the factory 700-850 rpm's when warm or 1000-1300 rpm's when extremely cold.
The engine doesn't really relearn it just simply has to read all the sensors again after a reset ( battery disconnect) to go back to the computers default idle speed.
I hope this has in someway explained the way in which the computer and all it's sensors work to help idle the vehicle.
Posted on Aug 07, 2010
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Mar 10, 2016 | Cars & Trucks
Oct 12, 2015 | 2004 Isuzu Ascender
Mar 31, 2015 | 2004 Chevrolet Tahoe
Nov 15, 2011 | 1997 Pontiac Grand Am
Jul 04, 2011 | 2006 Ford Five Hundred
Dec 28, 2010 | 1995 Toyota Camry
Mar 15, 2010 | 2000 Dodge Durango
Sep 16, 2009 | 2003 Kia Rio
Oct 16, 2008 | 2002 Toyota Camry
264 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: