Bagsy1.6
Member
Registered: 25th May 08
Location: Greater Manchester
User status: Offline
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I have a x16xe with a c16xe ported & polished coscast head. I have notaced that it dosn't seem as pokey as it used to be.
It seems sluggish when you rev it up until it gets to 4000rpm where it seems to shoot up to the limiter. same when its driving.
It has developed flat spots under acceleration and likes to kangaroo when its driven at a constant slow speed.
Its drinking petrol like water, kicking flames out of the exhaust when changing gear fast, and wont do more than 110mph (did 135 on the track)
If anybody had this problem before or got any ideas at all please let me know as its doing about 15mpg and i cant afford it. lol
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spankyjames
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Registered: 26th Jun 06
Location: Corsham, Wiltshire
User status: Offline
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i had the same prob on my gsi, i changed the cts sensor and it soon sorted it out
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Bagsy1.6
Member
Registered: 25th May 08
Location: Greater Manchester
User status: Offline
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kkz cheers. it has a cool run stat in it would that send that sensor wild??
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joes_1.4_16v_sport
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Registered: 15th Mar 07
Location: Preston, LANCS
User status: Offline
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quote:
Originally posted by Bagsy1.6
I have a x16xe with a c16xe ported & polished coscast head. I have notaced that it dosn't seem as pokey as it used to be.
It seems sluggish when you rev it up until it gets to 4000rpm where it seems to shoot up to the limiter. same when its driving.
It has developed flat spots under acceleration and likes to kangaroo when its driven at a constant slow speed.
Its drinking petrol like water, kicking flames out of the exhaust when changing gear fast, and wont do more than 110mph (did 135 on the track)
If anybody had this problem before or got any ideas at all please let me know as its doing about 15mpg and i cant afford it. lol
Coolant temp sensor.
MAP sensor.
See if there both plugged in pal. Mine wernt + it was over fueling like a good-un 
Flame action too lmao 
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Bagsy1.6
Member
Registered: 25th May 08
Location: Greater Manchester
User status: Offline
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if it was a sensor would it not bring the light on??
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byrnie_2004
Member
Registered: 11th Mar 07
Location: Marple, Greater Manchester
User status: Offline
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should do, but is your eml working?
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spankyjames
Member
Registered: 26th Jun 06
Location: Corsham, Wiltshire
User status: Offline
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my cts was dodgy but it never bought up the eml
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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check the bottom pulley, the condition of the key that stops the aux pulley from moving, there shouldnt be any play at all this is what is wrong with mine! same symtoms
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Bagsy1.6
Member
Registered: 25th May 08
Location: Greater Manchester
User status: Offline
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eml is working. is it the key that wears or the pulley itself because there is a couple of mil of play. if its the key is it a pain to replace??
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Kenzie
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Registered: 16th Sep 07
Location: Burnley
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I think its the key that wears.
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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key and pulley went on mine
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Kenzie
Member
Registered: 16th Sep 07
Location: Burnley
User status: Offline
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Which pulley exactly is this?
Mine seems a bit flat at the bottom end, not sure if thats the problem.
Or would the inlet (mantzel style) be causing this, due to running on a standard map??
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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no i have a replicar manzel too, and havent had it mapped, runns spot on!
apparently is a very common fault with vauxhaul engines,
the aux belt pulley, outer pulley bolted on end of crankshaft, this had teeth around it with are pik ups for the crank sensor, sometimes,
the crank sensor works out where tdc is and sometimes can make the car not start,
take off the outer pulley torx bolt, check condition of the slot on inside of pulley,
then you will see the small crankshaft pulley it will have a key/notch that the puter pulley locks onto, check the conditon of that, should be perfect, if not it will need changing,
alterations in the timing will cause flatness i had it really bad
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Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
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have you got the AFM conected from the C16XE engine?
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byrnie_2004
Member
Registered: 11th Mar 07
Location: Marple, Greater Manchester
User status: Offline
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quote:
Originally posted by john_c20xe
no i have a replicar manzel too, and havent had it mapped, runns spot on!
apparently is a very common fault with vauxhaul engines,
the aux belt pulley, outer pulley bolted on end of crankshaft, this had teeth around it with are pik ups for the crank sensor, sometimes,
the crank sensor works out where tdc is and sometimes can make the car not start,
take off the outer pulley torx bolt, check condition of the slot on inside of pulley,
then you will see the small crankshaft pulley it will have a key/notch that the puter pulley locks onto, check the conditon of that, should be perfect, if not it will need changing,
alterations in the timing will cause flatness i had it really bad
should there be any play at all or should it be snug as f**k?
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