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I own a 1992 Ford F250 with the 5.8 motor ( 351 W ), it has 150000 miles on it, every 2500 miles I have to replace the cap and rotor due to corrosion, what could be causing this?

I have replaced the Distributor it self, all new wires, condensor, and plugs.

It is the 2 piece cap, it has the tower then the cap, I have put expensive caps on but that doesn't matter

WEhat could be causing this?? just old maybe??

2007-12-23 23:59:37 · 6 answers · asked by Dennis E 3 in Cars & Transportation Maintenance & Repairs

I have replaced the Whole Dist.

The timing is set right at 10* as stated in manual

2007-12-24 06:44:20 · update #1

I do have the Brass cap and rotor on

2007-12-24 06:45:41 · update #2

CK Engine was on, got scanned, found leaks in Vacuume hoses, replaced them all, ...... no more check eng light, infact better gas mileage

2007-12-24 06:48:06 · update #3

6 answers

It sounds like you are not getting a good seal between the cap and the base. If moisture is allowed to get in there then it will quickly eat up the contacts. Check to be sure that any gasket that is there is properly placed.

2007-12-24 04:37:20 · answer #1 · answered by Fred S 2 · 1 0

I would buy performance caps and rotors that have the brass rather than aluminum contacts. Then you can carefully clean the contacts with a little emory paper and extend the life of them. If the distributor bearings are worn and allowing the rotor to wobble somewhat, you may have to replace the entire distributor.

2007-12-24 00:16:49 · answer #2 · answered by bobweb 7 · 0 1

my v6 s10 chevy goes through cap/rotor every 10,000mi... get good cap with brass not alum inside..if it has 1 coil going to cap coil may be pushing to much voltage into it,,,and timing can be off...if bad tune,bad sensor the computer will sent improper info to ignition system to try and correct problem...ck engine lite on???scan it,,advance auto does it free.

2007-12-24 01:32:37 · answer #3 · answered by Anonymous · 0 0

First thing to mind is damp, try sealing the system with ignition sealing spray and light grease on all joints and cables etc.

2007-12-24 00:06:11 · answer #4 · answered by Beacher 7 · 0 0

couple of things,,, moisture, and timing out of adjustment will cause excesive arcing. seal the cap with wd-40 or something similer...then i would double check your timing to make sure its on target...

2007-12-24 00:09:53 · answer #5 · answered by gravel128 5 · 1 0

Jeff has a good answer!!!

2007-12-24 00:39:23 · answer #6 · answered by ? 7 · 0 0