09-02-2011, 11:48 PM | #1 |
Registered User
Join Date: Aug 2010
Location: Ventura
Posts: 151
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ECM-B fuse problem
So I'm having the ecmb fuse blow randomly. Started about a week ago. Seems to blow about 5 minutes after driving. Today was actually bad. blew up and every fuse I put in it would blow right away. Waiting 5 minutes, unplugged oil pressure switch and it was able to start up. Plugged the sender back in and its been running fine. I notice sometimes after sitting at a light for awhile and I start to accelerate the service engine soon light flashes and the engine stumbles but keeps on going. I replaced the fuel pump, relays and oil sender about 6 or 7 months ago. The fuel pump is a airtex. Im hoping the pump isnt going bad already cause its a B*&%$ to replace. I checked for grounded wires from the pump to the firewall, from the ecu to the firewall and checked the wires behind the motor behind the dis. Didnt find anything. Anyone have this happen to them? Any ideas?
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1990, chevy, ecmb, fuse |
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