Opel Corsa Lite over fueling.

Vincent Jones

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. I have a 1999 Opel Corsa Lite 1300. I spend a fortune on spark plugs because the car overfuels. I've taken the car for diagnostics and it shows no errors. Does anynody know what the problem could be?
 
Why do you think it over fuels? What is the cars symptoms?
 
So over fuelling symptoms would include
black smoke from the exhaust,
hesitation on acceleration,
rough idle,
high fuel consumption.


Possible Causes:
Blocked air filter,
broken fuel pressure regulator,
dirty or damaged MAF or MAP sensor,
Possible throttle body issue (known issue on opel)
Leaking injectors ,
dirty injectors.
 
Just wanna know why he says its over fuelling first of all
Probably an increase in fuel consumption. We went around this boat too, took the SO's old Corsa to around 5 different dealers/workshops as well as some specialist that used to tune the Super Bosses for the racing team(apparently some of the dealers thought this meant he was a car god), the eventual solution was to get rid of the car. Nobody seemed to know. Replaced injectors, cleaned this and that, would send it to be tested, the emissions were above expected, they would resolve this by making adjustments, and then car would be back 2 weeks later with high emissions (car running rich). Were eventually getting around 300km on a good tank.
 
Probably an increase in fuel consumption. We went around this boat too, took the SO's old Corsa to around 5 different dealers/workshops as well as some specialist that used to tune the Super Bosses for the racing team(apparently some of the dealers thought this meant he was a car god), the eventual solution was to get rid of the car. Nobody seemed to know. Replaced injectors, cleaned this and that, would send it to be tested, the emissions were above expected, they would resolve this by making adjustments, and then car would be back 2 weeks later with high emissions (car running rich). Were eventually getting around 300km on a good tank.

o2 sensor? @thechamp
 
Probably an increase in fuel consumption. We went around this boat too, took the SO's old Corsa to around 5 different dealers/workshops as well as some specialist that used to tune the Super Bosses for the racing team(apparently some of the dealers thought this meant he was a car god), the eventual solution was to get rid of the car. Nobody seemed to know. Replaced injectors, cleaned this and that, would send it to be tested, the emissions were above expected, they would resolve this by making adjustments, and then car would be back 2 weeks later with high emissions (car running rich). Were eventually getting around 300km on a good tank.
What oil did you use? I was advised to change the oil and it made a huge difference.
 

Can't recall if it had one, although mentioning that, I think it was also something suggested, so it's possible it was done
What oil did you use? I was advised to change the oil and it made a huge difference.

The one they gave me :ROFL:. Cannot recall, this was about 10 years back and, well I am old and can't remember what I ate this morning

Just kind of a note of sympathy to the OP, hoping he has better luck, but the dealers themselves were left clueless.
 
. I have a 1999 Opel Corsa Lite 1300. I spend a fortune on spark plugs because the car overfuels. I've taken the car for diagnostics and it shows no errors. Does anynody know what the problem could be?

Welcome to MyBB and enjoy your stay.

More information, like photos of the sparkplugs, would most probably lead to more meaningful contributions from the helpful MyBB knowledgeable people.
Follow-up contributions by the OP will also show that the posted advice is even read.

And some answers might be found in a thread as suggested in post #2. (The Corsa problem solver)
 
Some people have jobs, real jobs where they get their hands dirty instead of looking at a computer screen pretending to work.

I am sure Vincent Jones would be here as soon as he gets time.

Friendly wager? Loser has to change their avatar to something embarrassing for a week?

Bet he will not respond within 24 hours of OP.
 
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