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blowing the ecm i fuse while driving now
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gasman852
Novice
Mar 17, 2009, 1:50 PM
Post #1 of 14
(1563 views)
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blowing the ecm i fuse while driving now
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1998 chevy 4x4 3/4 ton pickup 5.7 vorteck engine about 100.000 miles now blowing the ( ecm-i fuse ) just by turning ignition key .motor turns over but no start. an kills the ecm i fuse .
(This post was edited by gasman852 on Mar 20, 2009, 4:56 PM)
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Loren Champlain Sr
Veteran
/ Moderator
Mar 17, 2009, 2:18 PM
Post #2 of 14
(1561 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Hope this pic comes through. See attachment.
Loren
SW Washington
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Attachments:
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Graphic.gif
(56.9 KB)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 17, 2009, 2:34 PM
Post #3 of 14
(1557 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Jeff Norfolk
Enthusiast
Mar 17, 2009, 3:22 PM
Post #4 of 14
(1553 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Holy cow!! that is the biggest fuse box I have ever seen. Bet it came from a huge car.
Jeff
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Loren Champlain Sr
Veteran
/ Moderator
Mar 17, 2009, 3:46 PM
Post #5 of 14
(1551 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Hey, Tom. Yours is bigger than mine.
Loren
SW Washington
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gasman852
Novice
Mar 17, 2009, 4:04 PM
Post #6 of 14
(1550 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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thanks this does help me . so one or more of the injectors are shorting out.i'll unplug all retest with a new fuse to see if fuse blows again . I crank over motor then plug one injector at a time to test each one till a find bad one. thanks for the picture
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 17, 2009, 4:52 PM
Post #7 of 14
(1547 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Loren - What can I tell you? I went by a burger joint and it said "Super Size It" so I did
Didn't mean to do that pic so big - it just came thru that way - puter has been funky all day?
I just looked at it and thought it might show directly??
Laugh!
Tom
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gasman852
Novice
Mar 18, 2009, 2:41 PM
Post #8 of 14
(1535 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Thanks for the help . great pic I was able to see it from across the room . the injectors tested good .but found bad coil pac that caused the short . which burned out the ecm-i fuse. thanks again every oneyou made it fun|
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Loren Champlain Sr
Veteran
/ Moderator
Mar 18, 2009, 4:53 PM
Post #9 of 14
(1531 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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>> great pic I was able to see it from across the room << Oh, that's Tom, for ya'. Kitty must've hit the 'expand' key?
>>you made it fun|<< Glad to hear that! We do have a lot of fun in here. Don't get much done, but have a lot of fun.
Loren
SW Washington
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Double J
Veteran
/ Moderator
Mar 18, 2009, 9:22 PM
Post #10 of 14
(1529 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Gotta watch Kitty and that 'Expand' Key!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 19, 2009, 5:07 AM
Post #11 of 14
(1526 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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Too funny - love the worn of belly hair!
What that that comment at the CarJunky corporate meeting about
us needing to be supervised?
Ahhh - That's no fun,
T
(This post was edited by Tom Greenleaf on Mar 19, 2009, 5:08 AM)
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gasman852
Novice
Mar 20, 2009, 4:00 PM
Post #12 of 14
(1508 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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still having problems .the fuse is not blowing at the turn of key anymore cuse of new coil pac fixed that, but drive 5 miles then fuse burned up again I wonder if the control module gone bad to. good at the start untill it module gets hot. just thinking i'm not having fun now. any other idea's or other solutions?
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Loren Champlain Sr
Veteran
/ Moderator
Mar 20, 2009, 4:10 PM
Post #13 of 14
(1505 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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gasman; When you said that the control mod. fixed it, I just kind of 'dropped' out. Was looking at the wiring diagram...Check each individual injector for a short to ground.
Loren
SW Washington
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gasman852
Novice
Mar 20, 2009, 5:07 PM
Post #14 of 14
(1501 views)
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Re: 1998 chevy trk with 5.7 blowing ecm i fuse in box
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the coil pak is new .and still has old ignition control module oem .i'm thinking it run's from the same power line .fuse is taged as injector 
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