Originally Posted by mrb4511
Just wondering how to set or change timing on a Laramie V10. Engine lugs down and hesitates before starting.
Hope someone can help because I know nothing about the mechanics of this engine. Did find the windshield washer tank to fill it tho'.
Oh this is easy, you cannot. Hesitation before starting can be the result of many issues. Low fuel pressure, dieing starter motor, bad spark plugs, bag ignition coil... The timing is set by the computer and adjusted according to variables. If you want to replace the timing chain, you replace it like any other vehicle. Setup #1 piston to top dead center on compression stroke (both valves closed...). Check your timing gears to be sure the dots on the gears are perfectly aligned, now replace the timing set. Done deal
You might want to get a scan tool, I bought an old tired MT2500 snap on. Best investment I ever made, even though I do not repair many cars anymore. I still find myself taking this tool out and about to help a friend in need. Because of how computerized cars have become, you can find out allot about your engines health from the tool. You might have some random misfires that aren't causing codes to pop up, you could have a sensor out of range (which would throw a code, but not always believe it or not). It depends on how thorough PID algorithm is, but that is out of the context of your question anyways.
Just try simple stuff before jumping to a major things such as timing set. Check fuel pressure, cylinder pressure, blow-by, spark plugs for fouling, spark plug GAP!!!, coil strength... The basics! 99% of the time it is a little thing that causes the trouble. Very rarely is it something as serious as a timing chain that is too stretched out, because the computer learns that overtime and compensates. Besides, the computer advances the timing like 24 degrees or something very large when you first start the car. It then settles to 12-14. Should be written on a white sticker under the hood someplace.