General All this work but cars still SH*T!!!!!

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General All this work but cars still SH*T!!!!!

corky

Mk2 Punto Sporting 1.2
Joined
Nov 18, 2008
Messages
1,217
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Location
Bolton
:mad: really annoyed the fuel management system light came on few days ago i changed the lambda sensor £20 and the lights never come on since but now when i drive the car every now and again will drive like a bloody kangaroo it will pull back then go then pull back then go but when i put my foot down to the floor it shifts dead quick like power it out i want to know what the problem is ive changed the following:-

Lambda sensor
Fuel filter
Ht leads
Spark plugs
Air filter
Sprayed it with carb cleaner
Redex fuel cleaner
Redex injector cleaner

Please any ideas help me!!
 
took the air filter sprayed the outside then started the engine and revved the car light revvs and sprayed it exactly as it said i put new spark plugs in today and what i can see from my old ones the fuel mixture was weak so i put a bottle of this octane stuff to boost it and i think its started to kick in soo what should i do but good thing is its getting better :slayer:
 
Check the resistance across the Injectors, if you get a Zero then one has gone.
Easy 30 sec check and could save you a fortune.
 
That's nowt mate but anyway check throttle potentiometer as I'm having a similar problem (y)
 
how do i check the resistance between the injectors?? and how do i check the throttle pentometer?? please help!!! its a bit better today :)
 
unplug injector, and put a meter accross the 2 pins on the injector to check the resistance.

and with the thottle potentiometer.. between a certain 2 pins you should get a resistance reading... which should be gradual if you get any sharp spikes, eigther increase or drops, or flat spots then its faulty.
 
just been to the fiat garage!! waited 1 hour 25 minutes for a diagnostics test he came out ''there is no faults but i think its your coils overheating'' he took the cover off and i got charged £48.80!!!!! :bang::bang::bang::bang:
 
right the covers off but im still (to be on the safe side) change the coils:bang: another thing sounds like the middle section of the exhaust like makes a rattle noise when i drive/revv what could this be a hole or something?? only just started doing it :worship::worship::worship: patience running out!:cry:
 
i had two rattles. heat shield and exhaust hitting the axal. shake the exhaust and see whats hitting wat. putting it on a ramp would be alot easier as well. cost me like £40 for a new middle section including flexi wen i had a hole in mine.
 
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