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2002 gmc somona change a fuel pressure regulator

\015 2002 gmc somona replace a fuel pressure regulator\015 Posted / edited by AnonymousUser on : 15-01-2018

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2002 gmc somona change a fuel pressure regulator


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I have a 2000 gmc sierra 5.3 with a number 6 cylinder missfire. things i have done so far: 1. compression test on number 6 tested fine,as well as the rest of the cylinders 2. leak down test. Held compression. 3. changed coil, spark plugs, wires. 4. changed fuel pressure regulator 5. tested fuel pressure, was about 7 psi below specs. 6. changed intake gasket. 7. changed spark plugs about 20,000 miles ago. 8. swaped number 6 fuel injector with number 4. still missfire on number 6. 9. checked for v


I would check the valves for number 6. If one or both are burned, stuck or out of adjustment it would cause your problem. If a cam lobe for that cylinder is burned or badly worn it could be the culprit. ... 2000 GMC New Sierra 1500

1999 GMC Sonoma,2.2L engine with 110K, has hard starting problem after vehicle sits for a few hours.. Runs fine after getting it started. Mechanic noted that the fuel pressure dropped suddenly down from 45 psi after engine was off for a few minutes. So he changed the fuel pressure regulator, and that helped, but the pressure still drops off, just slower now. Truck is still not starting great, even though it is a little better. Next he wants to change the fuel pump. The fuel pump is the original,


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2000 gmc jimmy wont start fuel pump comes on and cuts off but will not start.I have changed the fuel filter and that did not work. Is the pump not building the pressure it needs to start or would my pressure regulator be bad. Pressure at start should be 60-66 psi and it dose not look like it is getting that when it is turned over and the pressure valve is pressed. Nothing happens when I depress the pressure valve after trying to start it and no one is turning the key to crank it.what could this


The fuel pressure if leaking could cause this the regulator is located under the intake plenum but you should smell gas .if you dont then most likely the pump is bad ,the pump will come on for 2 seconds when the key is on then go off it will not stay ... 2000 GMC Jimmy

2000 gmc jimmy wont start fuel pump comes on and cuts off but will not start.I have changed the fuel filter and that did not work. Is the pump not building the pressure it needs to start or would my pressure regulator be bad. Pressure at start should be 60-66 psi and it dose not look like it is getting that when it is turned over and the pressure valve is pressed. Nothing happens when I depress the pressure valve after trying to start it and no one is turning the key to crank it.what could this


When you hook the pressure test guage to shrader valve on fuel rail what it reads is what the pressure is from pump, around 60 p.s.i. all you need to do is hook up the guage and turn on key, you do not have to turn engine over, and if pump is good it ... 1999 GMC Jimmy

1994 gmc seirra k1500 4.3 engine 4x4 hesitation when I accelerate. I have changed plugs, wires, distrubutor cap, rotor button, egr, ignition coil, TPS, knock sensor, O2 sensor, fuel filter, checked fuel pressure that remained consistant even while driving. I can see an even spray on the fuel injectors at idle and when I rev the engine up. but I have not performed any tast on the fuel injectors or thefuel pressure regulator.


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I have a 98 gmc sierra with the 5.7L vortech. I was having problems with it starting really hard so i changed the fuel filter and it still was starting hard, excpecially after it sits a while..so i put a psi gauge on the fuel rail by the intake and noticed that the psi was bleeding off. So i put a new fuel pump in thinking leaking check valve but i still am losing pressure as it sits. It will start easy even at 0psi but what is causing it to leak? Pressure regulator?


Pressure regulator or leaking injectors. ... Cars & Trucks

How do i chang the fuel pressure regulator its not behind the fuel meter body is it under the intake? on a 2002 gmc sonoma ex cab.


Should be attached to the fuel rail. The fuel rail connects all of the fuel injectors. The regulator will have a vacuum line on it. ... 2002 GMC Sonoma Extended Cab

1987 Chevy S10 TBI 4cyl 2.5 L will not run. I changed a weak fuel pump and i am now getting good pressure. I swapped ecm's, changed fuel pressure switch, oil pressure switch, distrib, rotor, electronic piece on distrib, map sensor and o2 regulator. I check fuel pressure to the throttle bottle and it is gettting fuel. For some reason the fuel injector is not spraying fuel. Engine runs fine if spraying starter fluid inside but cuts off after u stop spraying.


Check the injector for 12v on one wire. if good check the other wire for a ground witth the key on. The ground wire pulses from the ECM If you dont have 12v from one wire to the other but you have 12v from one wire to battery ground then be sure the ... 1987 Chevrolet S-10 Pickup

I have 2002 chevy silverado with a 4.8 L engine. The original engine broke a connecting rod and had to be replaced withe the same size engine. The "new" engine is hard to start as it needs to turn over several times before starting.the original engine started as soon as the key was turned. Will the fuel pressure regulator cause this? Should we have taken the fuel pressure regulator from the original engine? I s the fuel pressure regulator calibrated to the fuel pump? I notice a slight change in


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2001 Caravan 3.3 FLEX FUEL: Fuel pressure is at 60psi. Specs I have say it should be at 49psi. I have replaced the fuel pump and attached fuel pressure regulator with new oem part. I have changed the fuel rail and attached regulator and one fuel injector with new oem parts. The dealer has recently replaced the fuel vapor canister and fuel solenoid with new oem parts.


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How to change fuel pressure regulator on a 2001 gmc sierra 1500


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My 1993 GMC truck is flooding. I have changed the TPS, Oxygen sensor, plugs, wires, distributer, cap, rotor, Map, Fuel pressure regulator. Can someone please help. Thanks...


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How to change fuel pressure regulator on gmc sierra 4.8 1500


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Where is the fuel pressure regulator on a 1997 gmc yukon that has 5.7 liter 350 motor? how do you change it?


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1999 Honda CR-V will not start. I changed the fuel pump, fuel pressure regulator along with the fuel filter and the main relay but the vehicle still will not start. The distributor along with the coil was replaced about two months ago, spark is ok. Sometimes the vehicle start for a few second but the engine stalls as if the timming is off but the timing is ok, also sometimes it back fires and when it does the vacuum hose that is connected to the fuel pressure regulator comes off from the regulat


Sounds like your crank sensor ... 1999 Honda CR-V

1998 pontiac sunfire 2.2 has a flooding problem plugs are turning black and will barley run the only way I got it started was took fuel pump fuse out and in until it started really rough. the vehicle load is at 99percent. tps is responding correctly. Fuel pressure is 59psi before fuel regulator spark is good at 30thousands ckps and tps and fuel regulator have all been changed the last code that it produced was ckps was faulty but I have already changed this and it didnt pop this code till now k


... 1998 Pontiac Sunfire

I changed the high pressure fuel pump. Now the car will turn over but won't start. Is there a reset switch on it ? I'm having the same problem with my 89 Ford Bronco. On the 89 bronco I changed the fuel pump, fuel filter, and the pressure regulator. on the fuel pumps there is no markings for positive or negitive for wire connection. Belp..


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I have a 1988 Chev. 1500 Truck 350 motor. I have changed the complete distributor with ignition module and pick-up. The fuel pressure regulator on the throttle unit has been changed. Fuel filter , ESC module, oxygen sensor, ECM ,plugwires,sparkplugs and intake gasket. The truck still stalls and cuts off at a stop sign and some times on acceleration like it's running out of fuel, but pressure is good at all speeds. The ignition coil checks out good. The next thing I'm going check is the fuel qual


Check the throttle position sensor with a ohm meter to see if it has a dead spot in it,and then there is the map sensor ,I think it is mounted on the passengers side valve cover,or the breather rectangle in shape and black in color,has one vacuum lin ... Chevrolet 1500

I have 307 thousand miles on this car and it has been wonderful until I changed the battery. It want continue to run after turning the engine over. I put a fuel pressure meter between the new fuel filter and the rear bank fuel line and installed a new pressure regulator valve. With a vacuum pump I simulated the 14 to 16 Hg value and the fuel pressure dropped off from 43psi to 38. I next tested the fuel injectors with a light and they are working. On the test to check how fast the fuel pressure d


Go to our villager site.\015\012\015\012what is the problem?\015\012\015\012http://groups.yahoo.com/group/villagerquest/ ... 1995 Mercury Villager

Fuel problems 1999 Grand Prix GTP 3800 Supercharged VIN 1: car starts, but shuts down within 10 seconds. You can see the fuel pressure drop within those 10 seconds. If I flutter the throttle, the fuel pressure will jump back up to 50lbs & back down to 0-10. But, you can keep the car running by doing that. I have replaced the fuel filter & helped a little bit, but still shuts down. Replaced fuel pressure regulator & fuel pump & oil pressure switch & still nothing. HELP....


T.p.s. censor ... 1999 Pontiac Grand Prix

1995 pontiac bonneville SE 3800 engine Vin K. Engine is Very Hard to start Components that have been changed include: PCM, Oil Pressure Switch, Fuel Pump, rank Shaft position sensor, Fuel Pressure Regulator, and still having the same problem. when the car is switched on i can hear the fuel pump engage for a couple of seconds but it is not reading on a fuel pressure gauge. When the fuel pressure gets to about 30PSI the engine fires this is after about 30 seconds of cranking. Whe the vehicle is sw


Fuel filter ... 1995 Pontiac Bonneville

I have a 1995 GMC Sierra very low on power I have did the checklist I think plugs plug wires fist cap rotor button checked codes only 1 idle speed sensor vacuum leak was problem checked fuel pressure 14 pounds continuous changed fuel filter pressurized fuel lines with seafo cleaner then changed out TBI TO A 5.7 liter TBI THIS DID HELP BUT NO EHERE NEAR RIGJT checked Egr cvp valve catalytic converter thinking it was stopped up sinse it has 140,000 miles on a G&M crate motor but conveyor had been


I think that you have started on the wrong foot and things have gone down hill from there. I suspect that the fuel manifold pressure is too low as it should be over 20psi for the injectors to work properly. The cat converters are not there to provid ... Cars & Trucks
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