Volvo :: 1991 - No Power To Fuel Pumps
Jan 14, 2014
1991 940 SE Turbo ... I am trying to figure out why there is no power to the 10 amp fuel pump fuse. Drove the car all day with no issues at all.. The next morning it just wont start. Found it wasn't getting fuel..I have replaced the tank pump thinking a shorted pump would disable the system, I have replaced the in tank Fuel Pump, Nothing. The fuel pump relay, Nothing, and pulled the under car fuel pump and checked it and its fine. I don't get it?? what could it be? I went to the library to get a copy of the wiring diagram, but the Chilton's Mechanic wiring bible was so smudged I could not even read it..
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The pumps at times will function what appears to be normal. At other times the pumps will not stop running and it is at those times when the engine does not like to run.
I do not know if the engine will not run due to too much pressure or not enough fuel pressure. The problem is with both tanks and pumps so I do not believe the problem is inside either of the tanks.
One problem is that I just got the truck and the prior owner had at times done a little work and you know how that can be a problem. He could have done some damage to some hoses or who knows what. He had replaced the radiator and the left side exhaust manifold recently, though at different times. He thinks the problem started around the time he did the radiator. I know it doesn't make sense but things can get bumped or damaged.
What would the problem be that it could come and go? I drove it for a few miles and I thought that maybe the problem had gone away after I replaced what appeared to be a short vacuum line by the throttle body. But the problem still comes and goes. Now the truck is stuck till I figure the problem out.
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Need to replace fuel pump. How do I remove seat bottoms.
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I have a 1965 Chevrolet with the original 396 engine. When I purchased the car, I noticed the fuel pump was wet with fuel at the weep holes. I replaced the pump with a new one. This pump also leaked at the weep holes. I thought dirt may have been in the fuel tank and the check valves were stuck causing the leak. I installed a glass inline fuel filter before the fuel pump and installed another new pump. There is no dirt in the filter. This pump also is leaking from the weep holes. The pump only leaks when I give it full throttle and bring the car up well over 65 mph. I would like to retain the stock type of fuel pump. I'm wondering if the pump push rod is a replacement at some time and too long.
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I've got an 89 F-150 dual tanks. Getting no power to tank pumps. High pressure pump runs good when key turned on. Have checked wires to fuel selector switch and no power there. Since high pressure pump is running I'm thinking there's a bad splice but how do you find where it is? On the wiring diagram it shows there's a splice (marked C277 just past inertia switch) but where is C277 located? Also, the diagram wire colors don't quite match my truck
Just FYI the wiring diagram doesn't quite match my truck. Not unusual I'm sure. The diagram says the power wire from inertia switch to high pressure pump and fuel selector switch is PK/BK (pink/black) but no pink black wire. There's a red/yellow wire that matches the size of the red one (red to fuel pump) coming off the selector switch. I'm guessing that's it.
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I have a 91 park ave it wont start all the lights come on the dash . If I run jumper to starter it turns wont stay running unless I pour gas in line. appears to not be getting power to starter and fuel system. What controls both of these?
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I have a 1991 Grand Voyager 3.3liter AWD minivan. It only has 80k original miles on it. It works totally fine sometimes, and then for no apparent reason, begins to lose power, as if it's not getting fuel. I can put my foot into the accelerator hard and it will likely correct itself in a few miles. If the cruise control is on, it will lose power...then regain it....then lose it....and so on, for many miles. The problem does not happen every time I drive, but most times. I have changed the fuel pump twice. each time it seemed fixed, but then the problem comes back. Most recently, It quit altogether, and I had to be towed home. I can start it now with starting fluid, but i suspect the fuel pump is out again. Another strange aspect of the problem is that this is my 2nd 1991 voyager, and the first had the same identical problems. I use it as a delivery van, and need to get it reliable...I've considered the ASD relay, or the fuel pump relay. I changed the fuel filter today to no avail. It currently won't start without ether.
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I can't get power to the fuel pump on my 91 ranger 3.0 5 speed. I just bought the truck and replaced all the relays checked all the fuses under the dash and under the hood. If I jump the relay it comes on and wont go off.
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The other day, my father-in-law was driving my '91 Explorer and it just died on him. I assumed that the fuel pump quit becuase it wouldn't come on when the switch was turned on. I had a brand new lying around so I dropped the tank and put it in but it still won't work. I checked the inertia switch and it wasn't tripped. There is no power coming to the new pump at all. When the switch is turned on, there is a noticeable "click" inside the engine bay. Would that be the fuel pump relay making that "click"?
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I replaced my injectors n ficm, truck runs great. Now my wipers dont work. Turn signals, hi beams work. Got power at both fuses and they have continuity but no wipers or washer pump. Looking for a diagram for this? Is the motor located under the front cowl?
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I have a 1991 Volvo 240 Base with an Automatic Transmission. Just yesterday, I was hopping onto the highway, when all of a sudden, my car would not go any faster than 40 to 45 MPH. It has been running fine up to that point. I ended up just taking side streets, where it ran fine. I have not taken it on the highway after that.
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I recently purchased a 1991 Volvo Turbo 740 with 186,000 miles on it. It runs perfect for a few days and then when parked will not start. Attempt to start 1/2 hour later it starts and runs perfect again. It has done that for several days now. I have driven it to locations approximately 40 miles round trip with frequent stops for a period of time and then start up again. This AM it started up perfect as I moved it from a driveway to part in front of my house on the street. Several hours later I went to start it but it would not start. 1/2 hour later I decided to try one more time before calling the tow truck to take to a mechanics and it started up perfect again. I drove it to the library and bank later and ran perfect after the two stops. This is driving me nuts since I had taken it to a mechanic when it did this Monday and it ran great at the mechanics and he could not determine what was wrong. He told me WHEN it stops again to have it towed in and he could determine at that time when it was not running.
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Starts great, idles great, tested everything. Will not rev past 1500rpm.
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The car idles fine, but after a couple seconds in each gear (5spd. manual) it looses power and starts to stumble, but if i keep it at a low rpm, it will run. So, if it is the catalytic converter. how can i un-clog it? Dearborn protocol adapter.
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I just bought another 1991 Ford. This one is a 1/2 ton XLT Lariet with the 302 and for the first time I own a short bed. I also have a 1991 F-250 XLT with a 460 and a 8' bed.
Here is the problem, ( I think) it will not run or at least not for long. The fuel pump, which I am guessing is in the rear tank will not stop running. On the F-250 the pump stops running after a few seconds after I turn on the key.
Where should I start to find out my problem with the fuel system?
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I was driving my 91 Volvo 940 Turbo Wagon yesterday morning when, out of the blue, the warning lights came on and the engine shut down. I was still able to utilize the wipers and radio as I sat there for an hour waiting for a tow, but whenever I attempted to start the engine, I got a few rumbles but the engine would not turn over. All belts seem to be in place. I just had the water pump replaced. I replaced the alternator 2 years ago when I first bought the car and installed a new battery about 1 year ago.
Any thoughts on what could be the root problem here?
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1991 740 Wagon 2.3 I4 with turbocharger and an intercooler.
My rear taillamp brake lights do not come on.
Of the 4 red lights on both taillamp cluster, only bottom two red lights stay on when I turn on the head lights. When I step on brake pedal with both headlights on or off, all 4 read lights do not come on.
I only get the middle small red light on. (which probably means the brake light switch on the pedal is fine.) I do have the lamp malfunction warning on when I turn on the headlamp or signal lights on.
I changed the lamp malfunction relay (big red cylinder) but things are the same. Found the bottom right red light had one of its filament broken so replaced the bulb but things are still the same.
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My '91 240 races when turned on when motor cold, colder it is the moreso, especially in Park and Neutral till it calms down It's happening under 60 degrees Fahrenheit and big time under 32. Sometimes turning steering wheel sharply will stop this. Is this ECU? Transmission? Belts? There seems too show excess transmission fluid on the dipstick, by the way lately, which may have been that way from accidental overfill and may not be related t this insane racing issue.)
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I am acquiring a 1991 Volvo 740 Turbo and am concerned about the need to change the timing belt. The seller does not have record of it being changed since he had the car for two years. He had only put about 10,000 miles on it since he had acquired it. It now has 186,000 miles and runs perfect and basically in good shape for its age. If the belt breaks does it ruin the engine?
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My 1991 Volvo 240 with automatic transmission suddenly stopped shifting out of first. No warning. Fluid level is good.
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My 1991 240 always had 2 working back up lights. After one of two garage visits recently (with them not working on my lighting), one of the two stopped working.
The last visit (a different garage) I just made with this time the mechanics working on a tail light issue as well as other stuff now has me with the 2nd back up light not working. Since one mechanic lost me the use of one and another mechanic lost me the use of the other.
How I can troubleshoot this and get one or both "back" on my own?
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