1992 Mercedes Benz 500SL Checking the Air/ Fuel Mixture Adjustment

Posted on 03 December 2013 by admin

Download NOTE : a. Checking the idle mixture adjustment will require the use of the on/off ratio tester (Bosch KDJE-P 600) or equivalent. b. All tests are to be performed after engine has reached normal operating temperature. c. All accessories must be switched off. d. The engine must be in good mechanical working order and free from electrical misfires. Fig. 72 Bosch On/Off Ratio Tester 1. Connect the on/off ratio tester to the diagnostic socket. 2. Disconnect the purge line to the throttle valve assembly at the purge valve and plug it. 3. Start the engine and run at idle speed. 4. Press the IR 100% button on the tester. 5. Run the engine at approximately 2500 RPM and record the average on/off ratio reading. NOTE: If the On/Off ratio tester has a constant value refer to DIAGNOSIS AND TESTING PROCEDURES in COMPUTERIZED ENGINE CONTROLS . 6. Let the engine return to idle speed and wait a few moments for it to stabilize. Now record the average on/off ratio reading at idle. The On/Off ratio reading should be in the 50% ±10% range, and the difference between cruise and idle RPM should not vary by more than +10. If the difference is greater than +10 refer to ADJUSTING THE AIR/FUEL MIXTURE . If the difference is not greater than +10 the fuel mixture is adjusted correctly.

Related Search :

=> bosch lambda control tester kdje-p 600 => rough idle 1992 mercedrs 500sl

Tag Posts :

, , , ,



Comments are closed.

Aurepman.com
Free PDF Auto Repair Manuals
www.aurepman.com

Autoserman.com
Auto Service Manual | PDF Free Download
www.autoserman.com

Okemanual.com
Service & Repair Manual Free Download
www.okemanual.com

Carrepman.com
Free Online Car Repair Manuals Download
www.carrepman.com

Carserman.com
Car Service Manuals Free Download PDF
www.carserman.com

Autorepmagz.com
Auto Repair Magazines Free Download & Review
www.autorepmagz.com

Autosermagz.com
Auto Service Magazines | Free PDF Download & Review
www.autosermagz.com

Ndarzone.com
Ndarzone.com | Article, New and Science
www.ndarzone.com

Blog.ndarzone.com
Blog.ndarzone.com | News & Entertainment Online Portal
blog.ndarzone.com

Auto.ndarzone.com
Automotive News and Review
auto.ndarzone.com

Themes.ndarzone.com
Download Free Themes for Windows, Mobile, Website, etc...
themes.ndarzone.com

suggest listing
PR5 Free Web Directory - Submit URL >>
www.addurl.nu

Ads by Iskandar