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I went out to crank my TR6 up this morning to go for a local club ride and upon choking the car and a few hits, she popped off normally, ran for 10 seconds and died. Would not re-start for nothing. Got fire. Anyway, after waiting awhile, tried manually pumping the fuel pump lever and re-starting and she fired up on choke, ran for 10 seconds and died. Did this several times. She won't crank or run without priming the pump. After each start and die, if I wait, the pump has resistance and one good pump. If I try right away after dying, the pump lever has no resistance. Now, this is one of those Italian mechanical pumps that TRF sells (and I guess everyone else). OE pumps are long gone. What the hey! Does this sound like a fuel pump problem? And TRF doesn't have the complete rebuild kit for these pumps (the same for the Italian job {wasn't that a movie??}) or OE...should be the same kit. Bummer. And, when I take her off choke, she dies. She dies after 10 seconds on choke. Gotta be fuel. Any suggestions out there?
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Now what???
- Thread starter TR6BILL
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tomshobby
Yoda
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Hi Bill,
Had that happen last summer. The pin worked its way out of the pump. I could pump fuel with the prime lever but it would not pump while turning the engine over.
Easy to diagnose, just remove the fuel line near the carbs. Pump by hand and see if fuel is produced. Have someone turn over the engine while holding a can under the line and see if fuel is produced then. If not check the pin.
Easy to fix also, just get a chain clevis pin and cotter key.
Had that happen last summer. The pin worked its way out of the pump. I could pump fuel with the prime lever but it would not pump while turning the engine over.
Easy to diagnose, just remove the fuel line near the carbs. Pump by hand and see if fuel is produced. Have someone turn over the engine while holding a can under the line and see if fuel is produced then. If not check the pin.
Same pump I have, I am impressed with the quality and it looked like new when I took it off to install the pin. BUT, they just push the pin in and stake the housing on both ends. They could do better.TR6BILL said:
Easy to fix also, just get a chain clevis pin and cotter key.
Offline
I actually just had this same problem on my TR4... I had some sediment in the gas tank that was plugging the line. Once I figured that out, I blew through the fuel line to the gas tank,clearing the blockage. and it ran fine after that. Next step will be to Drain the gas tank I guess....
Brosky
Great Pumpkin
Offline
If you need a fuel pump kit, these are the best guys to get one from:
Then & Now Aotomotive
This was the article I wrote about their kits:
Fuel Pump kit thread
Then & Now Aotomotive
This was the article I wrote about their kits:
Fuel Pump kit thread
poolboy
Yoda
Offline
First I want to say that he and I weren't being judged in the same class, so it weren't me putting the crawfish in the tank.
Bill, if it's not the pin that Tom mentions and you have a separation cannister connected to your fuel tank, try this. Open your gas cap.
I've had gas fill up the separation cannister and block the vent hose, the hose that runs low under the body along the frame.
If that is the case, opening the gas cap will let the tank vent and break the vacuum that builds up as the gas level in the tank drops.. You'll probably have to use compressed air blown thru the vent line to clear up the obstruction.
And about the priming lever on the fuel pump and the resistance that you sometimes feel and sometimes don't, it's going to depend on the pump arm (not to be confused with the priming lever) and it's position on the fuel pump lobe of the cam.
Other than just a plain ole bad fuel pump or clogged fuel filter, those are the first 2 things that come to my mind.
Tomorrow looks like a great day for a drive, hope you get it fixed.
Bill, if it's not the pin that Tom mentions and you have a separation cannister connected to your fuel tank, try this. Open your gas cap.
I've had gas fill up the separation cannister and block the vent hose, the hose that runs low under the body along the frame.
If that is the case, opening the gas cap will let the tank vent and break the vacuum that builds up as the gas level in the tank drops.. You'll probably have to use compressed air blown thru the vent line to clear up the obstruction.
And about the priming lever on the fuel pump and the resistance that you sometimes feel and sometimes don't, it's going to depend on the pump arm (not to be confused with the priming lever) and it's position on the fuel pump lobe of the cam.
Other than just a plain ole bad fuel pump or clogged fuel filter, those are the first 2 things that come to my mind.
Tomorrow looks like a great day for a drive, hope you get it fixed.