here is a strange one.... fuel pump not coming on EG
Thread Starter
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Joined: Jan 2004
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From: port saint lucie, fl, usa
here is a strange one.... fuel pump not coming on EG
well i have a 94 ex civic. here is the problem. when i first start in the morning it wont fire. the fuel pump wont come on. also the cel light it on too. if you wait, sometime for like 5mis, the cel light goes off and the fuel pump comes on. only happens on a cold start and once warmed up you can shut the car off and start it like normal.
so far replaced
ecu, fuel filter and swappwd out main relays with my friends civic.
help please
so far replaced
ecu, fuel filter and swappwd out main relays with my friends civic.
help please
Re: here is a strange one.... fuel pump not coming on EG (B16B_coupe)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B16B_coupe »</TD></TR><TR><TD CLASS="quote">well when the check engine light come's on, check that code.....</TD></TR></TABLE>
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Thread Starter
Junior Member
Joined: Jan 2004
Posts: 888
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From: port saint lucie, fl, usa
Re: here is a strange one.... fuel pump not coming on EG (jdmjohnyyy)
only code i get is for the heater on the o2 sensor. im stumped on this one. i pluged it into the snapon modis and thats all i got from it. i went and bought a new main relay from honda and still the same. wtf. any help please......
HRD PKR
Joined: Nov 2005
Posts: 13,211
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From: Gods wonderland
Re: here is a strange one.... fuel pump not coming on EG (jay-tec)
so replace the o2, ive heard of a few cars not wanting to start from that... but you say your fuel pump is still not comming on?
Honda-Tech Member
Joined: Sep 2003
Posts: 994
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From: Kills
Re: here is a strange one.... fuel pump not coming on EG (jay-tec)
Check the fuel pump connector for proper voltage, intermitment opens, check the connectors and check the fuel pumps resistance. Could be a shotty pump.
Thread Starter
Junior Member
Joined: Jan 2004
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From: port saint lucie, fl, usa
Re: here is a strange one.... fuel pump not coming on EG (MustangPunk302)
fuel pump is good just checked. this is frustrating. now my sunroof leaked when i 1st got the car. i fixed this 1 of the drains was plugged. im thinkin maybe a loose ground or the harness has corosion??? what you think
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Honda-Tech Member
Joined: Feb 2006
Posts: 1,462
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From: NY/NJ, USA
Re: here is a strange one.... fuel pump not coming on EG (jay-tec)
well its kind of hard to think of anything cause we cant physically look at the car...if the pump is good..check the grounds, connections, fuses, etc. - process of elimination
Honda-Tech Member
Joined: Oct 2002
Posts: 5,152
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From: chicago burbs, Il, USA
there is a growing number of OBD1 ECUs that are having fuel pump problems due to the age of the parts inside. There is an electrolytic capacitor (that goes bad) that will stop the ECU from turning on the fuel pump.
Temperatures will change how the dieing cap reacts, so you may be getting hints that it needs service.
If you know someone who can solder on boards, for the cost ($2 max for the part) have the cap replaced.
Temperatures will change how the dieing cap reacts, so you may be getting hints that it needs service.
If you know someone who can solder on boards, for the cost ($2 max for the part) have the cap replaced.
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Ming Tsai
Honda Civic / Del Sol (1992 - 2000)
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Apr 26, 2007 09:04 PM
