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Fuel Systems -- Maintenance & Repair

185 messages,  Last post on Jun 26, 2009 at 11:01 AM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Car Safety, Fuel System, Electrical, Fuel System, Alternative Fuels, Diesel, Hybrid Cars, Car Financing, Fuel Efficiency (MPG), Car Warranties, Coupe, Convertible, Hatchback, Truck, Sedan, Wagon, SUV, Van


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#126 of 185
intermittent problem starting daewoo lanos help please by sporty6
Nov 02, 2007 (12:25 pm)
Reply
have a problem with my car its so annoying
 
daewoo lanos 1400cc
turn key you hear the 2 second pump noise buzzing and it starts 1st time usualy always'
 
go to it next time turn key dont hear the pump kicking in and no way will it start, the engine tries to start but wont
 
i have changed the pump and pump relay switch but hasnt made any difference
 
question.......
could it be the selonoid , it sounds as though it may be electrical and when i dont hear the noise it doesnt start as if it isnt getting a signal to the pump?
 
any ideas please
thanks
#127 of 185
Re: buick century problems [kiawah] by jdh93
Nov 05, 2007 (7:35 am)
Reply

Replying to: kiawah (Nov 01, 2007 7:58 pm)

I haven`t done either of these things. Only the fuel system has been looked at. Do you suggest that I have the exhaust system replaced?
Thanks
#128 of 185
95 toyota corolla hesitation by tszabados
Nov 26, 2007 (11:23 pm)
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I bought a 95 toyota corolla dx that is in good shape with high miles. My first
toyota and I use it for commuting. My problem is a hesitation when you drive it
cold and when you are maintaing highway speeds. it is like you are letting all the way off the gas and pressing it again then doining it all over. I can see that the injectors look to be new. could it be the throttle position sensor, or fuel pressure (fuel pump). It bugs me and I want to figure out what is happening.
#129 of 185
Re: 95 toyota corolla hesitation [tszabados] by Mr_Shiftright HOST
Nov 27, 2007 (7:49 am)
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Replying to: tszabados (Nov 26, 2007 11:23 pm)

You'll have to read the codes first off, from a scanner.
#130 of 185
fuel by fred72
Dec 03, 2007 (3:54 pm)
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2003 eclipse gts we have bench checked the fuel pump works great. put it back in the car does not the 15 amp fuse is fine. is there a relay and where?
 
thanks
fred
#131 of 185
Re: buick century problems [jdh93] by spy888
Jan 18, 2008 (1:04 pm)
Reply

Replying to: jdh93 (Nov 01, 2007 6:34 pm)

a plugged CAT converter. Back pressure builds up after a while and engine dies, Then
it start ok again coz pressure is released after it dies. And so on......
Try diconnecting the front of the CAT, leaving a crack for exhaust to escape.
If it works now, replace the CAT
#132 of 185
1985 Lincoln Towncar will not start by patches5619
Apr 16, 2008 (1:50 pm)
Reply
when I parked the car every thing was fine. the car sat for about a year. when I tried to trun her over she would'nt start. got a new battery, notthing, It seens that there is no power or juice going to the gas tank. I'm not quite certain... could you help me on this problem? Help!!
 
How do I clean or blow out the EGR Valves so it will pass AirCare.and where would the valve be underneith that hood?
Car (1989 Cadillac Fleetwood
Help!
Patches5619
#133 of 185
oldsmobile 98 regency stalls at stops and sharp turns by wcarnes1
Jul 03, 2008 (8:44 pm)
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I have a 1996 oldsmobile 98 regency elite that stalls when you stop or turn a sharp turn. It has in the past stalled when the fuel level got below 1/4 of a tank, but could always be fixed with filling the tank up. Now With over a 1/2 tank of gas I get the stalling. It seems to be better when the engine is cold , but gets progressivly worse when the engine gets hotter. On a friends advice, I changed the idle air control valve. This didn't seem to help the problem. After stalling , I put it in park and I can start it up as though nothing happened. Please help me with this problem as for financial reasons, I can't afford to take it to a mechanic right now. Thanks for the help.
#134 of 185
Re: oldsmobile 98 regency stalls at stops and sharp turns [wcarnes1] by bolivar
Jul 03, 2008 (11:52 pm)
Reply

Replying to: wcarnes1 (Jul 03, 2008 8:44 pm)

Stall after stopping or turning is sometimes caused by a baffle inside the fuel tank breaking loose. The tank has L shaped plastic or metal baffles glued or welded to the bottom of the tank to keep fuel from 'sloshing' around.
 
If one of these break loose it can interfer with the fuel pickup and cause stalling.
 
If this is the problem, the tank will have to be dropped, and either replaced, or it might be possible to fish the loose baffle out of the tank.
#135 of 185
Re: oldsmobile 98 regency stalls at stops and sharp turns [wcarnes1] by dtownfb
Jul 04, 2008 (6:23 pm)
Reply

Replying to: wcarnes1 (Jul 03, 2008 8:44 pm)

Is the "checd engine" light on?
 
It sounds like a bad crankshaft position sensor.

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