GA22RE
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Last Activity: 11-24-2009 12:32 AM
About Me
- About GA22RE
- Biography
- ASE Master Tech w/ L1 ; Previously Lexus Senior Certified, Toyota Expert Certified
- Location
- Augusta, GA
- Interests
- My hobby is always my current vehicle
- Occupation
- Biomedical Engineering Tech
- My Rig
- 1993 Truck
- How Did You Find Us?
- dogpile
Bolt-on's: LCE Pro Air Intake Tube Kit, Gutted Air Box Ignition: NGK Plugs, NGK Wires Interior: SR5 Interior Swap Exterior: Toyota Brush-guard, Blacked-out Steelies
Previous: 91 Truck / SR5 / 3VZ-E / AT / 4x4
Blog
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Posted in
Tech Info
EVAP MONITORS, A BRIEF EXPLANATION
The monitor is when the ECM checks the EVAP system for proper operation and leaks. Understanding how the ECM checks the system is the key to understanding the types of failures you will see on vehicles.
In order for the monitors to run the following conditions must be met:
-Cold start with coolant temp and air intake temp within 12 degrees of each other.
-Coolant temp between 50-90 degrees.
-Vehicle must be driven...
The monitor is when the ECM checks the EVAP system for proper operation and leaks. Understanding how the ECM checks the system is the key to understanding the types of failures you will see on vehicles.
In order for the monitors to run the following conditions must be met:
-Cold start with coolant temp and air intake temp within 12 degrees of each other.
-Coolant temp between 50-90 degrees.
-Vehicle must be driven...
Posted in
Tech Info
From the SET "Toyota Evaporative Emissions Systems Handbook (and some inserts for Diagnostic Help from myself):
DIAGNOSING THE LATE STYLE INTRUSIVE EVAP SYSTEM
IT IS RECOMMENDED THAT THE FIRST TIME YOU PERFORM THESE PROCEDURES, YOU DO IT ON A VEHICLE WITH NO PROBLEMS SO YOU CAN SEE WHAT IS NORMAL.
Note: If at any time during this inspection the pressure reading from the Vapor Pressure Switch fails to change, back out of that screen and go...
DIAGNOSING THE LATE STYLE INTRUSIVE EVAP SYSTEM
IT IS RECOMMENDED THAT THE FIRST TIME YOU PERFORM THESE PROCEDURES, YOU DO IT ON A VEHICLE WITH NO PROBLEMS SO YOU CAN SEE WHAT IS NORMAL.
Note: If at any time during this inspection the pressure reading from the Vapor Pressure Switch fails to change, back out of that screen and go...
