If there is sufficient vacuum at the EGR valve, a switch closes to send a signal back to the ECM. News Gallery Calendar Store Product Store Premium Subscriptions Tools RPO Code Lookup More GM-Trucks.com → Fullsize Truck & SUV - 1999-2013 GMT800 & GMT900 Platforms → 2000-2006 & 2007-2014 Chevrolet Silverado briansmobile1 114,529 views 17:05 How to test a knock sensor - GM (low power condition) - Duration: 16:09. TPS volts should be close to 0.42 V at closed throttle and rise smoothly in about 0.02 volt increments to a maximum reading of about 4.85 volts at WOT. weblink
Tampatec 7,323,744 views 4:02 How I fixed a Chevy with an Abs and Brake light on - Duration: 3:49. ADPTraining 266,330 views 2:38 The Knock Sensor Video - Duration: 17:05. When the engine speed exceeds 400 RPM, the ECM sends a BYPASS signal to the ignition module which switches the timing to ECM control. near coil packs) 4) Maladjusted TPS sensor 5) Defective MAF sensor 6) Defective ECM Return to Chart CODE 34 Trouble Code 34 indicates that the Mass Air Flow (MAF) sensor http://www.troublecodes.net/gm/
Loading... There must also be between 15 and 85 percent fuel in the tank—this is to provide a baseline for the test since gasoline and diesel are volatile fluids that expand and If either one of these valves function improperly, the system will not develop and/or hold the proper amount of vacuum. The conditions for setting this code are: the ECM is commanding a solenoid duty cycle of between 5% and 94%, and no electrical feedback is being received from the solenoid, and
If a computer is connected to the car's ALDL connector when the code appears, check the computer cable connections. The EVAP system's operational performance is also tracked by the Powertrain Computer by reading the change in the oxygen sensor voltages and short term fuel trim whenever the stored vapors are Then the system starts a timer and monitors how long it takes for the diaphragm to relax and the electrical contacts to close. Chevy Error Codes Mine was doing the same thing with only 45K on my truck.
What the code really indicates is that the EVAP system will not hold a specified level of vacuum for a specified amount of time when it performs its leak test. Re-seat the cable connections. It's easiest to use the "Find On This Page" feature of your browser's "Edit" menu to find codes on this page as the list is quite long. this page Now all is good and the new one has been in there for almost a year with no more intermittent codes.
Year Eng 8th digit of the VIN Number Model 82-83 2.5L All 82-83 3.0L All 86 1.8L Multi Port Fuel Injection, VIN J 86 1.8L Throttle Body Injection, VIN 0 86 Toyota Error Codes Transcript The interactive transcript could not be loaded. Jumper the A&B terminals(a paper clip or a jumper wire work ok) Turn Ignition switch to ON position. This feature is not available right now.
JOSH GVNS 94,249 views 11:37 Chevy 5.3 liter lifter noise and motor flush solution How to - Duration: 14:10. When the ignition is "ON" and the ECM detects no ignition reference pulses coming from the ignition module, it illuminates the Service Engine Soon lamp. Gm Odb1 Codes Loading... Gmc Error Codes I have the K&N drop in filter.
I've yet to have it automatically detect any car I've tried it on. http://rlegsoftware.com/error-codes/400-error-codes.php Manufacturer Specific CodesP1031 HO2S Heater Current Monitor Control Circuit Sensors 1 P1032 HO2S Heater Warm Up Control Circuit Sensors 1 - Read Our Article On Oxygen Sensor Codes For Help With Sign in to make your opinion count. Sign in Share More Report Need to report the video? Ford Error Codes
Show more Language: English Content location: United States Restricted Mode: Off History Help Loading... Watch QueueQueueWatch QueueQueue Remove allDisconnect Loading... EASY FIX !! - Duration: 7:53. http://rlegsoftware.com/error-codes/2000-chevrolet-error-codes.php Loading...
Any other advice would be appreciated. Chrysler Error Codes The ECM will act as if no knock is present, and may possibly result in engine damage, if there is detonation. Since water injection was never actually used, this code should never appear.
AutoZone 88,710 views 6:56 EVAP Code P0449 - Duration: 16:47. Sign in to report inappropriate content. Refer to our Generic OBD II code list for definitions on all other GM diagnostic trouble codes. Honda Error Codes It is not intended as repair advice and we are not responsible for any actions you take on any vehicle.
Top Categories Serpentine Belt Routing Diagrams Ask a Mechanic Free Insurance Quotes Car Owners Manuals Auto Wiring Diagrams Auto Repair Manuals Auto Repair Estimates Hybrid Cars Nut & Bolt Measuring Charts Add to Want to watch this again later? This will usually root out any leaks that are hidden behind and/or under components of the vehicle. this content Register now!
AutoZone 180,338 views 8:35 how to clear sevice engine soon light 1990 to 2002 chevy, gmc. - Duration: 5:06. When the air is hot, the thermistor has a low resistance, which rises as the air temperature cools. This is when the ECM enunciates each stored code using the instrument panel Service Engine Soon lamp. Watch this video for more information.