JamesAkers
Enthusiast
- Messages
- 5
- Location
- Manchester
Hi all
I'm seeking help to identify the cause and solution to wandering revs on a 1.4 Renault 5.
With the choke on the engine starts after a few turns and rev speed can be adjusted by moving the choke lever. The revs continually fluctuate, moving up and down at idle. When driving the car the engine regularly surges and jerks forward.
The engine is a 1.4 C2J with a Weber 32 DRT 15/101.
So far I have worked through the following:
Questions:
I'm seeking help to identify the cause and solution to wandering revs on a 1.4 Renault 5.
With the choke on the engine starts after a few turns and rev speed can be adjusted by moving the choke lever. The revs continually fluctuate, moving up and down at idle. When driving the car the engine regularly surges and jerks forward.
The engine is a 1.4 C2J with a Weber 32 DRT 15/101.
So far I have worked through the following:
- Rebuilt and cleaned the Weber 32 DRT (previously the second venturi butterfly would jam open)
- Full oil and oil filter change
- Replaced fuel lines and fuel filter
- Replaced fuel pump
- Replaced spark plugs
- Replaced distributor cap (Beru VK359)
- Full coolant change (previously the expansion bottle was bone dry and the pipe to radiator blocked)
Questions:
- Could engine compression cause this behaviour?
- Is it a timing issue?
- There is a suggestion that this is not the original carb. Is a Weber 32 DRT 15/101 correct for a C2J. What should the jet sizes be?