Talk Morgan Forums Morgan Sports Cars Classic Morgans (pre-CX) 2006 Plus 4. Needed AA roadside assistance

could this be caused by low cost supermarket fuels that have high alcohol content?

I don't think so. Sounds like a faulty connector. Modern fuel hoses are formulated to resist damage by ethanol. This is a problem on older Morgans however.

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Seattle

This is a 2006 plus 4. Where I live we don't have a supermarket with pumps. This is almost exclusively Esso road side fuel. Apart from the nuisance of it and the "fear it will happen again" the real pain is not being able to buy the red three prong connector and the O rings without buying a complete pump/sender (unless you know different) . I have had our local friendly Ford Dealer (its a Mondeo assembly) on the case to no avail. Just wish they stuck to good old robust Unions rather than this cheap but unobtainable gizmo.

Ford uses this system on many, many cars that don't suffer this problem. So why does it happen to Morgans?

Some thoughts:

1. Could it be that the fuel hose isn't exactly the same as the Ford stuff? slightly less malleable or something, so that there is more tension or strain on the clips?

2. Is vibration transmitted through the hoses or tank doing it?

3. Would mounting the pipes so they are suspended and free to move help?

On Tarka the fittings are all BMW or VDO and the hoses are long and bendy, not really fixed at all to the frame until quite a distance from the tank.

Some good thoughts Peter. I had a concern that maybe in some way the tank (with pump) could move separately from the chassis and because the fuel line is clipped to chassis causing some "tugging action" on rough road. I thought this might be the case because the first time it happened was immediately after a speed bump - always navigated slowly and no grounding. Anyway unless someone tells me otherwise the tank and chassis are in complete union and therefore move together. Also I checked for "tightness or stretch" in the fuel line adjacent to pump- plenty of slack and after the last incident I put a very slack tyrap to lift the tank return line so more aligned with connector hole. I also checked with Morgan and you can only buy a complete front-to-back fuel line kit.I also wondered if there was a filter/restrictor on the fuel return to tank line (as this is the one that's blown twice) and the pump pressure returning fuel (volume highest at tickover) was creating a big back pressure? Not been able to verify either way. Vibration is a thought but no problem with the other connector 1.5 inches away on same assembly for fuel to injectors line. The really annoying thing is that I can only get 2nd hand connectors (which are in theory single use) and same with O rings that are damaged by the fuel line blow out. The other pain is that I feel so insecure driving the car because when it goes in game over!

This is a real concern of mine. So far My Morgans all have a Carb. And for good reason, where I drive there is not any help with Fuel Injection. Farmer Brown can fix my carb but not FI. I have several FI units. I keep looking at them, and yes they have fancy fuel connectors that probably make assembly a breeze, but what to do if they fail? Actually they do not seem to fail on the Car it was designed for. But when Morgan gets them. ????????????? I have to depend on this stuff as My life depends on it. And so does yours!

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Too many beers

this is the question to which as yet there is no answer....other than to note that Aeros, now in production for 16 years or so, all have EFI and seem not to share this problem. But then the fuel system is BMW/VDO, not Ford....

So there is something about the Ford bits and the way MMC uses them...although the Roadsters with EFI don't seem to do this. Strange. Is the pump different? DW may be able to tell, he has both.

Has anyone looked at an after market fuel pump that uses different connectors? Expensive, probably, but what price peace of mind?

Try contacting Doorman on their technical help as they sell heaps of fuel line connection couplings as an American company I guess they have compatible clips unless ford have exclusively controlled the design.


Saying that you can get mondeo fuel pumps on alibaba for about $70.

Might sound like a daft question ( probably is) but what does that pump do? Is it the pump which sends petrol from the tank to the injection system like the old SU pumps sending fuel to the carbs or is it a high pressure pump which powers the injection system?
Why is it not possible simply to substitute a non Ford pump? Is it built into the tank? Surely one of the tuning equipment supply outfits would have a generic pump that would work. It seems quite clear that the part concerned is unreliable and not just in Morgans.

Howard,
Yes it is the high pressure fuel pump from tank to injectors with and a return line direct back into tank for surplus fuel at low revs. Its this return line that has failed twice!. When it fails there is fuel every where just pumping high pressure fuel all over rear of car/ This last failure was only partial and I left a trail of fuel for half a mile as I dashed home.Bearing in mind proximity of tank to exhaust its a bit scary!. All approaches to Morgan for solution or parts failed.