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Re: fuel pump re and re on 89 S15 4x4, 4.3 auto with...
Unfortunatly, your fuel pump is in your gas tank. It is part of the sending unit. You will need to siphon out the fuel and drop the tank. You may have to replace the tank straps and fuel llines depending on thier condition. It should take 3-5 hrs depending on what you need to replace.
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On a 1987 you should still be able to use the factory gauges or lights. Just use the original harness and remove the part that goes to the injectors. I would also suggest running a mechanical fuel pump with the return line to the tank. If you end up going with an electric pump, even a small one will usually put out over 15 PSI, you do not want more that 3-5 at your needle and seat.
i have an 88 chevy truck, not getting gas to come out of injectors.. getting gas all the way through the lines all the way up to the tbi but not out of injectors. pressure gage check done! new fuel regulator done! . u can put gas in the throttle body and it fires right up.??
I think you should probably rebuild the throttle body if you have not. Over time, some serious **** can build up in the body and also, the gaskets can shrink due to age which can cause fuel blockages in the body its self.
1st i would like to ask, is your car a carburetor type engine or an electronic fuel injected. if you have a carburetor and assuming your fuel pump is working properly, you may have a clog carburetor. just clean it and better replace your carburetor gasket and repair kit. this job is not a DIY, let an expert do it for you. if you have an electronic fuel injection, its more complicated situation coz EFI system are controlled by an ECM electronic control module. have your vehicle service by an autorize auto repair shop tha uses a scan tool or diagnostic tool to find fix the problem.
Check the timing chain..Take the belt of and turn the crank by hand and see how much slop there is when you turn it back and forth..If theres not much then there could be a cam problem.But most of the time its the timing chain..Hope this helps you and have a great night....
Could be bad crankshaft pisition sensor, usually is that sensor, or at least some type of sensor. All a car need is spark, fuel, and o2. So if you have all of these things, than you most likely have a bad sensor. Have you pulled each plug individually and tested for spark? If you got good spark, and you are getting plenty of fuel to throttle body, than you may want to check your timing. You can test all your sensors and wiring with an ohmeter to check resistance. Place one probe on one side and the other on the other side while in OHM setting. If everything is good, you will get a reading, if the sensor is bad than you won't get a reading.