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Old 03-16-2009, 03:06 AM   #1 (permalink)
 
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Default Excessive fuel usage and no power!

Hi there fellow Forum ppls, im new to the forums, i found this site not too long ago while looking for help about my carry.. which i still haven't solved the problem is with my Suzuki Carry, its a 1993 da21v , powered by the ( supposedly mighty ) F10A engine, that has the 5 speed trans bolted to the rear.
now.. iv set the intake valve clearance to .13 and the exhaust to .18 while cold, iv fully rebuilt the ignition system, ie new plugs, condenser, points, leads, the timing is set to the respectable 8Deg BTDC, and iv ripped apart and over hauled the Carby, reset it and she runs well ( with the odd slight miss ), yet she still loves tossing the fuel down and has no power... im at a dead end with ideas... so any help would be appreciated!
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Old 03-17-2009, 12:00 AM   #2 (permalink)
 
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Oh and, the fuel pump clicks over about 40 times a minute, my friends one is dead silent
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Old 03-17-2009, 12:57 AM   #3 (permalink)
 
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Thanks :P , and yeah it is bad lol... a 60km journey.. if that.. will steal half a tank!
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Old 03-17-2009, 02:53 AM   #4 (permalink)
 
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Done...Checked bothfeed and return, and thanks
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Old 03-17-2009, 05:28 AM   #5 (permalink)
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Default No power

Greetings! Have you changed the air cleaner, is your parking brake dragging, how fast are you going, up hill, heavy traffic? Is tail pipe sooty and black, belch black smoke like a diesel? Are ALL plugs firing ALL the time? what is the Kilometer per liter usage, my F6a is normally 11 K per L in heavy traffic (Cebu)
If this is a pick up it must have a load over the rear wheels to use all gears, or the wheels will slip ( no traction) Are the tires good, do they have tread? I have seen Carry's in Cebu with no bed, just frame, and they can hardly get up a gas station curb, Is it a four wheel drive, and it is running on four wheels all the time? All these affect fuel mileage

Last edited by newsavedone; 03-17-2009 at 05:34 AM.
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Old 03-17-2009, 04:41 PM   #6 (permalink)
 
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Hi there,no i have not changed the aaitr cleaner, though when removed no improvement has been seen/felt, the parking break is not dragging, tail pipe is a little sooty as we dont run lead in our fuel in New Zealand, does not smoke or beltch, no matter how hard she is pushed, all the plugs are firing all the time, its a van, the tires are brand new, rwd.. thanks
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Old 03-18-2009, 06:29 AM   #7 (permalink)
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Default Excessive fuel consumption

Greetings! Fuel is either going in the engine, and not getting burned (too rich) OR its leaking out of the fuel system before it gets to the motor.
If the smoke is good, it has to be leaking.
A high pressure leak is not going to show up at idle speeds.
Pull the engine hatch, put it on a lift, put clean card board on the floor under it, and run it at 2000RPM. HAVE A FIRE EXTINGUISHER HANDY!
This is a three man procedure, one in drivers seat, one above engine observing fuel lines, and rails with bright light, and one on ground to check under it. don't get under it until you are sure where it is dripping from. If you don't find a leak with this, get an priest to excise it.
Good luck and keep in touch.
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Old 03-19-2009, 03:34 AM   #8 (permalink)
 
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well... it is going into the carb..coz there is no leaks...and.. i have leaned it out as much as i can before the engine starts missing and farting, and still isnt great.. i think i might send it into a reliable mech and get the cylinders dry and wet tested on compression, and the valves reset
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Old 03-19-2009, 06:42 AM   #9 (permalink)
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Talking low milage

Greetings! If you think the piston rings are that worn, drain the oil, and put a match to it. If its worn rings, it should burn nicely! Otherwise, pull the dip stick, and feel if the oil is thinned out. WHAT altitude do you live at?
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Old 03-19-2009, 03:03 PM   #10 (permalink)
 
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well its either worn rings or the valves ar not seating properly.. which means.. id need to pull the head off and do a nice valve grind and replace the valves and valve guides, and the oil is new.. so its natually thin atm, and altitude??? i dont actually know.. its just plain old New Zealand
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