First Startup since full rebuild - issues
Posted
#1639657
(In Topic #228082)
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So I’ve tried to start my cabbie up since I rebuilt the engine.. well it’s a little hit and more miss..
I can get the engine to start up if I lift the CIS sensor plate up a little it starts.. reva a little all over the shop but it goes but this I guess due to the air pipe missing off the inlet..
So what up with it when it’s all back together..
What’s am I missing?
Only other things is I’ve got a small leak on the external swirl pot / filter ??
I’ve had a look around on here but I could see anything ?? Could the whole K Jet need to be rebuilt ?
Posted
Old Timer
Nut & Bolt Resto Complete (Mars Red GTi original): https://vwgolfmk1.org.uk/forum/index.php?page=topicview&type=misc&id=projects%2Fyour-mk1-golfs_2%2Fpistolpete-s-mars-red&start__keyed=
Nut & Bolt Resto in Progress (Lhasa 16v): https://vwgolfmk1.org.uk/forum/index.php?page=topicview&type=misc&id=projects%2Fyour-mk1-golfs_2%2Fpistolpete-s-lhasa&redirected=1
Nut & Bolt Resto in Progress (Lhasa 16v): https://vwgolfmk1.org.uk/forum/index.php?page=topicview&type=misc&id=projects%2Fyour-mk1-golfs_2%2Fpistolpete-s-lhasa&redirected=1
Posted
Settled In
First Startup since full rebuild - issues
The whole car has been stripped back, sand blasted and then been completely repainted in a new coat of Apline white..
As for the engine it was pull head taken of clean, skimmed and new head gasket. New end seals, put back together, timing checked, new clutch, etc then put back into the car.
The wiring has been put back in with some work done to the left engine loom as the ground cable and the fan and horns were all dead. These have been new cables, pins, connectors.
It’s got a complete new exhaust as the last one was rusted though. As for the fuel system, it’s got a new tank, lines, pumps, injectors etc.
Anything that was leaking or was old was replaced.. with
As for the starting problem.
If I lift the plunger in the j ket I get a good head of fuel push out of all injectors. I’ve check the spark plugs to make sure they are good too.
As I said I’m able to start it by removing the pipe between the inlet and k jet. Then lifting the plunger up while turning the key.. this does kick the engine into life.. but no dice when it all put back together.. I get no fuel at the injectors..
Posted
Local Hero
measure fuel pressure too…you say you replaced injectors, they might need bleeding too but should be ok.
I reckon you're down on fuel pressure and that's causing the issues.
Posted
Settled In
First Startup since full rebuild - issues
Pressure.. so think there could be a leek somewhere or one of the pumps or a line that’s blocked ?
Posted
Local Hero
Removing the other injectors is more involved, hence the suggestion to check the fuel pressure. If that's ok and still not running, then they would be next to check. But if the fuel pressure isn't okay, there's a number of other things to check obvs.
Posted
Settled In
First Startup since full rebuild - issues
Connected into the line on the CIS as the Haynes said.
I get 8 psi of pressure..
Posted
Settled In
First Startup since full rebuild - issues
So I’m well off that..
Posted
Old Timer
There's loads of info online if you search K-jet pressure testing.
Nut & Bolt Resto Complete (Mars Red GTi original): https://vwgolfmk1.org.uk/forum/index.php?page=topicview&type=misc&id=projects%2Fyour-mk1-golfs_2%2Fpistolpete-s-mars-red&start__keyed=
Nut & Bolt Resto in Progress (Lhasa 16v): https://vwgolfmk1.org.uk/forum/index.php?page=topicview&type=misc&id=projects%2Fyour-mk1-golfs_2%2Fpistolpete-s-lhasa&redirected=1
Nut & Bolt Resto in Progress (Lhasa 16v): https://vwgolfmk1.org.uk/forum/index.php?page=topicview&type=misc&id=projects%2Fyour-mk1-golfs_2%2Fpistolpete-s-lhasa&redirected=1
Posted
Local Hero
Check the output from the Pump.
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They all start with GOOD Grounds.
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Posted
Settled In
First Startup since full rebuild - issues
I’m pleased to report I’ve got it’s started this.
So to update this thread so it might help others..
So the car did have low or no fuel pressure this was caused by lack of fuel and the pump. Changed the pump over and added extra fuel.. this then gave me good pressure..
At this point it still didn’t start which was down to the 5th injector not working which well was caused by bad wiring.. the troubleshooting was easy with a good multimeter plus the wiring diagrams in the Haynes manual.
It’s just needs to have the timing done as it’s running a little lumpy.
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