Just did a tune up ( Missing bad )

[Steve Lemonis]

Hello to all UPDATE 1st plug was closed that was the problem THANK YOU
I just did a tune up on my 94 Landcruiser 4500 Petrol/gas
Replaced oil/Filter/Spark plugs did not check gaps / New leads /Air Filter
When I know start it up it idles a little high drives fine for about 5 minutes THEN
Missing feels electrical can hardly drive it loss of power????????
Any ideas ???
Appreciate any help
Thanks Steve

 

[denboy]

try putting some of the old bits back - if you haven't binned them....

 

[grantw]

try putting some of the old bits back - if you haven't binned them....

Especially the plugs and leads.

Also worth triple checking the leads are on the right plugs.