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I know some cars have more than one. I need the main one that registers with the computer.
Every time I start my car it sets there and runs very rough putting out black smoke. I've changed Map Sensor, fuel pump and gas cap. Thinking about cleaning throttle body. It idles high at times.
I took the cap off the fuel pressure check port to see if it was getting fuel. I got gas and air bubbles. The motor is running very rough and is hard to start at times. Fuel pressure regulator checks good. I took off the vacuum hose and let it run 15 minutes with no sign of fuel.
Why is it when I pull the cap off of the fuel rail bleeder I get bubbles in the fuel. I tightened the bleeder and let some fuel pressure off and it ran pretty good. But the next morning it was running rough again. Done the same thing and it smoothed out. It had a little hesitataion. When running rough it has black smoke.
I was told that I had FPR problems and to pull the vacuum line off of it to see if there was any fuel coming from it. I could see no fuel. What next?
Sometimes my car will start and other times I have to push the throttle down about halfway. It runs rough and other times it doesn't. It has smoke coming from exhaust at idle. I pulled vacuum line off of FPR and no fuel showing. Could it be the map sensor?
I ordered a new electric fuel pump for my Pontiac GP LE 3.1. They have some dust covers for shipping. One on the top where the fuel goes into pipe to motor. One on the intake port at bottom. Beside the intake port is a round black rubber plug. I know I remove the other two but what about the black rubber one?
I'm replacing the fuel pump on my 93 Pontiac GP LE 3.1. During shipping they put a dust cover on the intake port and a cover where the fuel outlet joins the pipe. There is also on the bottom next to the intake port a small black rubber plug. Do I remove this also?
Is this an electrical or a mechanical problem? It's stuck on 63,000. HA! Also trip reading does not work.
Sounds like the linkage may be binding.
Have codes checked. It may be throttle positioning sensor.
Does it run forever? A lot of cars have a cool down period on them. The fan will run a few minutes after the ignition is turned off. It turning off is normal to. It's not needed all the time while you have water circulation.
Put some blocks on your feet. Just kidding my friend. LOL! It does sound like you have something jammed in the railing. There could possibly be a worn tooth or slot on the railing also. If you have electric seats it could still be this or you may have a bad switch or motor. Hope that's not the case. At least it's all the way back instead of all the way forward. Makes it easier on a body to inspect your problem. Good luck my friend.
I checked the FPR and no fuel is coming out so far. The low fuel light stays on so I decided to pull the tank and check fuel pump and contents of tank. Have not pulled tank yet. Just out of curiosity I decided to try and crank the car and it ran great as long as it was jacked up in the rear. Sounds crazy? You bet!
If you have black smoke coming from tailpipe check the fuel pressure regulator by pulling off vacuum line. If it has fuel in it the FPR is bad. I'm having the same problem with mine. I'm also going to check gas tank and fuel pump for low fuel pressure. My low fuel light is staying on. Hope this helps or at least gets you on the right track.