1993 bonneville

To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.

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checked fireing order still won't start

First check the fuel pressure,a easy way to do this is to spray starting fluid into the engine and see if it starts,then you have to check for spark.You said that you put a used engine in this car,did you use the eletronics that came with this engine?

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i sprayed starting fluid in and it started untill the fluid ran out

Then the fuel pump is not working,turn the key to the run position and listen for the fuel pump to run for 2 seconds,question? does it run for 2 seconds and then quit?try this a couple of times,open the gas cap and listen for the fuel pump to run

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fuelpump is running i have fuel in the injector rail i pushed the valve in to bleed air out

Ok the injection is not firing,i asked you earlier if you had used the eletronics on the new motor .Are these the same parts that came with the used engine or are they off of the old motor?Im talking about the ignition module the crankshaft sensors.Also do you know how to pull the codes out of the computer?

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i had to change the uper half of the intake for all the vacume ports and iused the original injectors and fuelrail there was a sensor in the block behind the starter that i did noy have a port for i also changed oilpressure switch vehicle is 1993 motor is 1994

what about this port behind the starter what went to it? did you use the ignition module off of the old engine or the new engine,please read all the questions and respond accordingly.

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the port behind the starter had a round sensor w/one wire conected also i used the original coilpacks and module new motor had them taken off already

ok was this sensor have a mushroom shaped connecter on it?sorry for all the questions but you have a very hard problem here!do this,connect terminals A and B together then watch the service engine soon(or check engine light) and count the flashes(you will get- Example 2 flashes pause then 4 flashes is a code 24,each code will flash 3 times,do this and then get back to me

See Figures 1 and 2

Listings of the trouble for the various engine control system covered in this manual are located in this section. Remember that a code only points to the faulty circuit, NOT necessarily to a faulty component. Loose, damaged or corroded connections may contribute to a fault code on a circuit when the sensor or component is operating properly. Be sure that the components are faulty before replacing them, especially the expensive ones.

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yes it is mushroom shaped also codes are 12 43

ok that is no help, those are knock sensor codes and that is a knock sensor that went behind the starter so that code will show up.now we need to find out if the injecters are being energized,this will require the uof a noid light, to connect to the injecters to see if they are being energized,can you get access to a noid light?also if you could get your hands on a data scanner it would be a emense help?

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