Air Fuel Mixture and more.
First, a little background information. I'm not a complete newbie about cars, but I don't know 100%, But I can put two and two together. In the past I've had a Ford F-100 with a Mustang engine. I've also had a completely stock Jeep Saharah. Both were fun for a bit but I was looking for a smaller car. I'm ever so tired of trucks.
A few days ago I purchased myself a super clean 1994 Acura Integra GSR with a B16 motor.
I know the engine is not the original engine. I also know that the car (not the current engine) was turboed in the past. There is a new fuel pump and new fuel lines in the car. The engine itself is completely stock. The car does not have an Intake currently (I have one ordered already, but if you can suggest one imput is welcome)
Now on to my problem.
Driving only about...(ballpark) 15 miles, I've used just under half a tank of gas. You don't have to be a rocket sientist to figure out something is wrong here.
The car is running rich. From idle to 2,000 RPM's the smell of gas is very faint, but you can tell it's there. From about 3,000 RPM's to I'd say somewhere around 5,000 RPM's the smell is pretty strong. From about 5,000+ the smell deminishes but it's still there.
I've already asked around and I get pretty much the same answer. I have to get the car tuned (I'm not arguing with that, it's a good idea either way.) What I don't know is what I will need. Some say that I can just adjust the carb to lessen the gas intake. Some say that I should get the ECM reprogrammed, Some say that I need an AFC (Air Fuel Controller.)
Any advice, comments, or helpful hints are welcomed.
P.S. While driving I try not to rev more then 2,500 unless I'm on the highway. Also, I am on a bit of a tight budget, but with the way this thing is eating gas I will be spending way more in about a month than it would take to just get it fixed.
Modified by alduron at 5:20 PM 11/6/2006
A few days ago I purchased myself a super clean 1994 Acura Integra GSR with a B16 motor.
I know the engine is not the original engine. I also know that the car (not the current engine) was turboed in the past. There is a new fuel pump and new fuel lines in the car. The engine itself is completely stock. The car does not have an Intake currently (I have one ordered already, but if you can suggest one imput is welcome)
Now on to my problem.
Driving only about...(ballpark) 15 miles, I've used just under half a tank of gas. You don't have to be a rocket sientist to figure out something is wrong here.
The car is running rich. From idle to 2,000 RPM's the smell of gas is very faint, but you can tell it's there. From about 3,000 RPM's to I'd say somewhere around 5,000 RPM's the smell is pretty strong. From about 5,000+ the smell deminishes but it's still there.
I've already asked around and I get pretty much the same answer. I have to get the car tuned (I'm not arguing with that, it's a good idea either way.) What I don't know is what I will need. Some say that I can just adjust the carb to lessen the gas intake. Some say that I should get the ECM reprogrammed, Some say that I need an AFC (Air Fuel Controller.)
Any advice, comments, or helpful hints are welcomed.
P.S. While driving I try not to rev more then 2,500 unless I'm on the highway. Also, I am on a bit of a tight budget, but with the way this thing is eating gas I will be spending way more in about a month than it would take to just get it fixed.
Modified by alduron at 5:20 PM 11/6/2006
First thing I would do is find out what ECU and injectors are installed. Since it is a swap, it could have been rigged to run just good enough to sell. Don't drive it till you figure out why so much fuel is being used. A few possible causes; crazy fuel pressure, stuck open injectors, wrong fuel map in ECU, wrong size injectors, a horrible tune from a skipped cam gear, weak coil, blah blah. Good luck with it and keep us posted.
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