no start Hey I have a 1995 honda civic coupe that im having some problems with. It was driving fine then it sat for about a week while I was gone on vacation with the family come back and it wont crank, but will turn over all day. I did some test and it no gas is getting to the engine so I replaced the fuel pump, fuel filter and as a last hope the main relay with no avail. Sill wont start. If anyone has had something similar and fixed it let me know. Its getting plenty of spark and air. |
Re: no start
Originally Posted by TutorialSurplus
(Post 4717963)
Hey I have a 1995 honda civic coupe that im having some problems with. It was driving fine then it sat for about a week while I was gone on vacation with the family come back and it wont crank, but will turn over all day. I did some test and it no gas is getting to the engine so I replaced the fuel pump, fuel filter and as a last hope the main relay with no avail. Sill wont start. If anyone has had something similar and fixed it let me know. Its getting plenty of spark and air. If so, then while in position 2 hold gas pedal all the way down for 10 seconds move to position 3 (start) while still holding pedal to floor. If it cranks and runs let off gas. If it cranks but doesn't start let of gas pedal and try starting again. If you didn't hear fuel pump prime then either fuse, wiring break or possible ignition cylinder issue. Can check if fuel is getting to fuel injectors by removing the fuel rail (including injectors) and then spray the injectors into a bucket and watch for gas spray pattern and sequence. If you have fuel and have spark then all that's left is air. Throttle body plate stuck closed? doubtful but possible. Also, the distributor's igniter and/or coil is always a possibilty too. But, test don't guess (and just replace parts). |
Re: no start Are the spark plugs wet, or dry? |
Re: no start
Originally Posted by ezone
(Post 4718102)
Are the spark plugs wet, or dry? |
Re: no start
Originally Posted by turd_ferguson
(Post 4718084)
Can check if fuel is getting to fuel injectors by removing the fuel rail (including injectors) and then spray the injectors into a bucket and watch for gas spray pattern and sequence. Or at least open the line at the rail and see if its getting past the filter? |
Re: no start
Originally Posted by Colin42
(Post 4718429)
Try this yet? Or at least open the line at the rail and see if its getting past the filter? |
Re: no start the pump is turning on but not pumping any fuel at all I even tried disconnecting the lines from the top of the fuel pump and no fuel is coming out of it. |
Re: no start
Originally Posted by ezone
(Post 4718455)
Problem is with the pump again, but why? Is there a leak between the pump and the top of the tank? |
Re: no start Are you having to assemble the pump to the tank unit, or are you buying a complete drop-in assembly? |
Re: no start Is the pump wired backwards? |
Re: no start
Originally Posted by ezone
(Post 4718461)
Are you having to assemble the pump to the tank unit, or are you buying a complete drop-in assembly? |
Re: no start
Originally Posted by ezone
(Post 4718463)
Is the pump wired backwards? |
Re: no start bought a fuel pump kit that came with the pump itself a filter that attaches to the bottom the rubber piece that holds the fuel pump in and the hose that runs from the pump to the top of the assembly. You said you can hear the pump run? I can only guess the pump motor is running backwards, and it can't build pressure if it's running backards. Can you switch the 2 wires for it just to see if that makes it pump? |
Re: no start
Originally Posted by ezone
(Post 4718468)
So you had to kinda assemble it yourself. You said you can hear the pump run? I can only guess the pump motor is running backwards, and it can't build pressure if it's running backards. Can you switch the 2 wires for it just to see if that makes it pump? |
Re: no start
Originally Posted by ezone
(Post 4718468)
So you had to kinda assemble it yourself. You said you can hear the pump run? I can only guess the pump motor is running backwards, and it can't build pressure if it's running backards. Can you switch the 2 wires for it just to see if that makes it pump? |
Re: no start but I can't still here it prime Hmmm. Well, I guess put the wires back the way they were since that didn't change anything.... Check for a full 12v battery power and full ground reaching the pump? (I know this may be dangerous because of gasoline and sparks, but I have had to connect and run a pump outside of the tank to test that, along with checking for leaks under pressure) How about a blockage preventing flow? Was there a dust cap over the end of the pump you should have removed before you put the hose over it? How about the other end of the pump where the strainer goes? The problem might be something so simple you'll facepalm when you find it. |
Re: no start
Originally Posted by ezone
(Post 4718527)
I assume that's a typo, you CAN hear it prime and run? Hmmm. Well, I guess put the wires back the way they were since that didn't change anything.... Check for a full 12v battery power and full ground reaching the pump? (I know this may be dangerous because of gasoline and sparks, but I have had to connect and run a pump outside of the tank to test that, along with checking for leaks under pressure) How about a blockage preventing flow? Was there a dust cap over the end of the pump you should have removed before you put the hose over it? How about the other end of the pump where the strainer goes? The problem might be something so simple you'll facepalm when you find it. |
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