v5 Bora flat power

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craigjm

Original Poster:

17,934 posts

200 months

Friday 25th July 2014
quotequote all
Posting this for a friend any help appreciated. His text below -

Car is v5 bora
Had timing chain done !
Checked ign coils!
Checked maf!
New sparks!
Has dropped in power!
Flat when pulling off but still has pull when hits 3000rpm!
Says cam sensor and lambda on diagnostics!
Tried new cam sensor and went worse!
Tryin lambda when arrives and puttin cat back on!
Had diagnostics showing the sensors before prob occurred !


PaulKemp

979 posts

145 months

Friday 25th July 2014
quotequote all
Cam timing out after chain change

craigjm

Original Poster:

17,934 posts

200 months

Friday 25th July 2014
quotequote all
he has changed the following too -

need to add that have changed lambda leaned throttle body and fuel filter

craigjm

Original Poster:

17,934 posts

200 months

Friday 25th July 2014
quotequote all
PaulKemp said:
Cam timing out after chain change
He says he had the chain done 6 months ago but power drop only 2 weeks ago

PaulKemp

979 posts

145 months

Friday 25th July 2014
quotequote all
I assume he has disconnected battery then run the car to relearn?

I hate modern engines to many electronic interventions

Back to basics

Air leaks
Clean sensor plugs
Fuel pressure

craigjm

Original Poster:

17,934 posts

200 months

Friday 25th July 2014
quotequote all
PaulKemp said:
I assume he has disconnected battery then run the car to relearn?

I hate modern engines to many electronic interventions

Back to basics

Air leaks
Clean sensor plugs
Fuel pressure
will pass it on for them to have a look

craigjm

Original Poster:

17,934 posts

200 months

Saturday 26th July 2014
quotequote all
Ok tried all that and it's still the same fuel pressure etc was fine

craigjm

Original Poster:

17,934 posts

200 months

Wednesday 30th July 2014
quotequote all
any other ideas thats all drawn a blank?