Tamora not going anywhere...
Discussion
Not long back from a full service at the end of October and thought I'd go out for a blast for only the third time or so since. However I started the car up yesterday, idled for about 5-10mins then went to pull away. On pulling away the engine started to struggle and it cut out (brief blips of the accelerator pedal made it try to stay alive but clearly not getting enough fuel).
So today, the same issue. The fuel pump seems to prime ok, but on starting it now takes a light pressure on the accelerator pedal to keep the engine turning over. Sat in it for about 10mins with one foot on the gas but as soon as I take my foot off the pedal it dies straight away.
Does that confirm that it's not a fuel pump issue? Throttle cable?
For info I haven't touched anything on the car since the service. There is a bit of history to the fuel pump on my car, as a few years ago it was cutting out on me several times. Eventually traced it to the connector in the boot on top of the fuel tank (see photo attached), which was losing electrical contact as the plastic retaining clip had broken. Had it serviced at RG at the time and they couldn't get a new connector, so it was cable-tied tight and no problems ever since.
Any help / suggestions appreciated!
So today, the same issue. The fuel pump seems to prime ok, but on starting it now takes a light pressure on the accelerator pedal to keep the engine turning over. Sat in it for about 10mins with one foot on the gas but as soon as I take my foot off the pedal it dies straight away.
Does that confirm that it's not a fuel pump issue? Throttle cable?
For info I haven't touched anything on the car since the service. There is a bit of history to the fuel pump on my car, as a few years ago it was cutting out on me several times. Eventually traced it to the connector in the boot on top of the fuel tank (see photo attached), which was losing electrical contact as the plastic retaining clip had broken. Had it serviced at RG at the time and they couldn't get a new connector, so it was cable-tied tight and no problems ever since.
Any help / suggestions appreciated!
The pump should be running at a constant rate and the excess fuel that isn't injected returned to the tank.
The only thing applying the throttle should do is open the butterflies wider, which then correlates to a given throttle position. Have you hooked up the software to verify throttle position.
The only thing applying the throttle should do is open the butterflies wider, which then correlates to a given throttle position. Have you hooked up the software to verify throttle position.
From my limited experience it sounds like it's running too lean and the throttle bodies need re-adjusting, I'd expect it to cut out as you raised the revs if it was fuel pump related (supply not keeping up with demand)
As mentioned hook the Ecu up to diagnostics if you have a lead to do so.
As mentioned hook the Ecu up to diagnostics if you have a lead to do so.
Edited by duff-man on Thursday 17th December 22:17
£90 for a new one Software is readily available, just purchase a cable.
http://www.powersperformance.co.uk/store/slug/ecu-...
http://www.racetechdirect.co.uk/rd63a-tvr-car-part...
May also need a usb-serial adapter unless you have a serial port!
http://www.powersperformance.co.uk/store/slug/ecu-...
http://www.racetechdirect.co.uk/rd63a-tvr-car-part...
May also need a usb-serial adapter unless you have a serial port!
I had the same issue with the connector in the boot - fixed by Tony and Richard @ HHC.
How do you know the fuel pump is working? It appears it is if the car is starting but just wondering how you know it's working?
Agree with above - get it someone with software or the guys who serviced it otherwise you spend money on replacing the wrong bits?
Hope you get sorted
How do you know the fuel pump is working? It appears it is if the car is starting but just wondering how you know it's working?
Agree with above - get it someone with software or the guys who serviced it otherwise you spend money on replacing the wrong bits?
Hope you get sorted
Difficult to take it back to the garage as the car's in France now (working in France at the moment)! For the fuel pump, my assumption that it's working is only going off the fact that I can hear it prime with the ignition. I spoke to the service garage on Saturday and they reckon it's more than likely the coil pack which has gone (I found one online and it should arrive Wednesday). Will update this thread when I have some progress to report...
Regarding the software, I guess for a 2002 Tamora the car has the original MBE ECU fitted and this is the correct software to install?
http://www.thetvrsite.com/cerbera/ecu-diagnostic-s...
Fingers crossed the coil pack sorts it!
Regarding the software, I guess for a 2002 Tamora the car has the original MBE ECU fitted and this is the correct software to install?
http://www.thetvrsite.com/cerbera/ecu-diagnostic-s...
Fingers crossed the coil pack sorts it!
Can you hear it though?
The noise you hear when the ignition is turned on is the elec power steering pump priming (from the front of the car under the bonnet) and it's often assumed it's the fuel pump which is buried inside the fuel tank so might be worth another check? At least to eliminate it as an issue?
Aplologies if you already knew this + hope you get sorted as its really frustrating tracing faults!
The noise you hear when the ignition is turned on is the elec power steering pump priming (from the front of the car under the bonnet) and it's often assumed it's the fuel pump which is buried inside the fuel tank so might be worth another check? At least to eliminate it as an issue?
Aplologies if you already knew this + hope you get sorted as its really frustrating tracing faults!
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