FIVE THOUSAND DOLLARS to fix fuel leakin from my injectors into my motor I THINK GM shoud be paying for this mistake

Your asking the wrong questions. The cost for the fuel pump is what it is. Shop around to get the best price. Rockauto for example. Second are you doing the repair or a shop. Replace fuel filter also. Next how is the car is it worth 300or 400 dollars or is it worth 2000. Can you afford to buy a new car or even a 1000 dollar car and pay to get it fixed. 300 hundred to fix the fuel pump is nothing when you think buying a replacement car for thousands. You do the repair yourself you only paying for parts not labor

Get a used transmission from auto salvage yard ! Several hundred dollars vs. several thousand dollars !

Your first mistake is thinking that the only thing that can cause a misfire is a coil or spark plug. Misfires can be caused by MANY things, including faulty fuel injectors, injector control circuits, blown head gaskets, vacuum leaks, burned valves, broken valve springs, low compression due to cylinder damage, worn piston rings, damaged or worn camshafts, etc..

I would recommend getting this problem properly diagnosed by a professional. Failure to fix misfire codes promptly can cause severe engine damage and destroy high-dollar parts like oxygen Sensors, catalytic converters, engine blocks and cylinder heads.

This is a failure in the car's antitheft system. Long story short, the car thinks its being tampered with. It shuts off the starter and/or the fuel injectors to keep the car from being stolen. This can be a hundred dollar problem, or a thousand dollar problem. Hard part is finding out what part is failing. Ive had great luck with bypassing the entire system. It's permanent and decently simple. This link explains the problem and options for fixing it yourself.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

It sounds more like the timing chain jumped a tooth or five. It is possible the fuel injection management module (or whatever GM calls them...) could have gone bad and is not providing sufficient voltage to the injectors.
One or two injectors wouldn't cause the problem you're describing. If they're all clogged, check for contaminants in the fuel system.

On a nine year old car, get a used one for a few hundred dollars from a junkyard and pay a shop to put it in. You can spend a couple thousand for a rebuilt/exchange engine if you think the car is worth it. I would pay someone to put it in however.

The only thing I have ever used to fix this problem is
Marvel Mystery Oil -- put about a pint in before you fill up next time and if something will work it is this - IF the problem is internal. If the dash board gauge is bad you will need to find someone who does the replacement or someone else here.
Please let us know if we can be of more help.

Thanks and I hope this helps you fix your vehicle.

ALSO - - take down the vin number and call your local dealer to see if there has been any recalls or service bulletins on your vehicle - this can save you thousands of hard earned dollars.

That is His To EAT dont let him charge YOU for HIS Mistake. His Neglagence got him there. It Should be ILeagal

Look into it.

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(1990-92)the answer is real simple it is a 10.00 problem... all you have to do is install a ford cylanoid between the battary and starer it took me a thousand dollars to find this out...

The problem might be fuel injectors...