i have an early type xe from a cav gsi in my mk3 astra
the problem is that under heavy acceleration the engine man light comes on
and it will stay on untill driving normally 40 -60
now i used to get up to 38 mpg untill i changed the head to a later type coilpack one two weeks ago now im lucky to get 18mpg
somestimes ill get a missfire mostly when engine has just been started from cold untill 30 40 miles then it will stop missfiring
trip computer says inst cons of 0.6 gal when cold then goes down to 0.4 gal when warm should this not be 0.2 gal when warm?
also the idleing seems to high not overly high but fractionly think its 1050 - 1150prm on idle
ive tryed various diffrent icv's this one seems the best out of them
timing has been set-up by taking lower pulley off and lining up mark on crank 2 mark on oil pump and cam pulleys lined up to rocker marks
so timings fine to best of my knowledge
im unsure why they have a mark on the side of the crank pullet to go to the pointer whats the point in that? if its never used?
cts is brand new two days ago:nod:
dizzy cap isnt that old looks ok and terminals have been cleaned inside
wedge has been removed from butterfly in throttle body
checked for noticable breaks in wiring
ive tryed more things but cannot think:doh:
at the price of petrol just now where i live mad:£1.09 per L) i cannot afford to be wasting this much petrol every day i have about a 70- 80 mile round trip to and from work every day
some1 if you have any ideas i can try please help me
(edit)
just had my car put on computer at garage
co2 is ment to be sumthing like 0.6.. but is up at 12.40s
when turning the screw on the airflow its makes no diff what so ever
could this be why eng man light staying on ? airflow is breaking down under load?
the problem is that under heavy acceleration the engine man light comes on
and it will stay on untill driving normally 40 -60
now i used to get up to 38 mpg untill i changed the head to a later type coilpack one two weeks ago now im lucky to get 18mpg
somestimes ill get a missfire mostly when engine has just been started from cold untill 30 40 miles then it will stop missfiring
trip computer says inst cons of 0.6 gal when cold then goes down to 0.4 gal when warm should this not be 0.2 gal when warm?
also the idleing seems to high not overly high but fractionly think its 1050 - 1150prm on idle
ive tryed various diffrent icv's this one seems the best out of them
timing has been set-up by taking lower pulley off and lining up mark on crank 2 mark on oil pump and cam pulleys lined up to rocker marks
so timings fine to best of my knowledge
im unsure why they have a mark on the side of the crank pullet to go to the pointer whats the point in that? if its never used?
cts is brand new two days ago:nod:
dizzy cap isnt that old looks ok and terminals have been cleaned inside
wedge has been removed from butterfly in throttle body
checked for noticable breaks in wiring
ive tryed more things but cannot think:doh:
at the price of petrol just now where i live mad:£1.09 per L) i cannot afford to be wasting this much petrol every day i have about a 70- 80 mile round trip to and from work every day
some1 if you have any ideas i can try please help me
(edit)
just had my car put on computer at garage
co2 is ment to be sumthing like 0.6.. but is up at 12.40s
when turning the screw on the airflow its makes no diff what so ever
could this be why eng man light staying on ? airflow is breaking down under load?