Lotus Elan

No idle

PostPost by: alfadave » Sun Jun 19, 2016 9:16 pm

I have a 68 plus 2 with weber DCOE 40 151 carbs.
I started the car on Friday after a period of inactivity.......it started,and ran fine.I left it ticking over to warm up.
Next day,it started but wouldn't hold idle,and was "fluttering" on throttle.
I had this problem before,and after cleaning out the idle jets it ran fine.(I do have two in line filters, but the problem still seems to appear.)
So,I carefully checked the idle jets,blew compressed air through them,checked the jets were clear.
I fully expected the car to run ok, but the problem is still there.
I have not made any other adjustments to the car.
Does anyone have any suggestions......as the car is undriveable as it stands.
Thanks
Dave
alfadave
Second Gear
Second Gear
 
Posts: 73
Joined: 24 Sep 2014
Location: stockport

PostPost by: john.p.clegg » Mon Jun 20, 2016 5:44 am

Dave
How many percentage of carb problems are electrical?

A ( or four ) Colour tunes would help find which cylinder also an I/R thermometer aimed at the exhaust manifold pipes,failing that a quick dab with a wet finger ( Don't tell H&S I said that )

Change one thing at a time,and re-fit if not problematical

Check the points gap ( on all four cams),wiggle the shaft.
Plugs
H.T.leads
Plug caps
Condenser
Rotor arm
Points
Distributor cover

Failing that it's off to the dark depths of carb balancing...

John :wink:
User avatar
john.p.clegg
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 5691
Joined: 21 Sep 2003
Location: Manchester

PostPost by: jimj » Mon Jun 20, 2016 8:48 am

Sounds to me as if warming the car up by leaving it ticking over has fouled the spark plugs somewhat.
Jim
jimj
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 1135
Joined: 25 Feb 2008

PostPost by: alfadave » Mon Jun 20, 2016 9:25 am

Just sorted it chaps.
Dirt had got past the idle jets.
I took out the progression hole inspection screws,and cleared the holes with air from a bike pump and adaptor.
Now running and idling fine.
Dave
alfadave
Second Gear
Second Gear
 
Posts: 73
Joined: 24 Sep 2014
Location: stockport

Total Online:

Users browsing this forum: No registered users and 4 guests