Quote:
Originally Posted by nulu
If one pump on a 420/560 sel dosent run it can stall or bog, and usually pump noise will be loud or growl, if the front pump dosent work hard starting stalling occurs, if the 2nd or rear pump dosent work it may still run but lacks throttle responce,bogs, test amp draw normal about 3-5 amps , bad 6-8 amps each, make sure positve battery post small red wire is tight, if its loose fuel pump relay wont turn on, good pumps turn on as soon as power is applied
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Sorry, that last post took awhile to write and I did'nt see this until after the last post.
Your explaination of this sounds about right. Before this car quit running...it would stall as soon as we put it in gear. Now, it won't start at all. Cranks but no go. I can hear something working when the key is turned on...but not the usual whine that it used to do, when it ran.
Could it be that I have had a fuel pump go out on me right after a camshaft swap, and my problem has been the fuel pumps the whole time?
I'll test those pumps tomorrow.
How do I do a current draw test. I have a multimeter, but which setting?
Thanks, again.