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#1
11-23-2003, 02:03 PM
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89 corvette starting problems
Hi, I'm new to the forum. I have an 89 corvette, but it wont start. I have installed a new fuel pump, starter, spark plugs. I took the original ones off because they didnt inject and put some on from a 91 camaro. I am going to put new fuel injectors. The car cranks great with the new starter, and there is fuel pressure in the fuel rail. I have squirtted starting fluid through the air box and it ignites it, but it does not start. The W.O.T. sensor has been checked and the regulator on the manifold. For a while air was being thrown out of the airbox instead of taken in. My compressions are low but enough to have a start or rough idle. The timing chain hasnt slipped and I'm totally stooped on what the problem is. There used to be water in the gas tank but i have pumped it out. When i checked the regulator that puts fuel back into the gas tank, it threw out water. CAN SOMEONE HELP ME? IS IT THE INJECTORS? thanks for any help.
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#2
11-25-2003, 11:16 AM
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Re: 89 corvette starting problems
Have you checked for spark? You might have a broken rotor or dirty cap, possibly a bad coil.
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#3
11-26-2003, 09:27 AM
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Re: 89 corvette starting problems
Yes i checked for spark, and there is.
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#4
11-27-2003, 07:38 PM
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water injection ?
How did you get so much water in the fuel tank? Was the car in a flood or something? Make sure that all the water is out of the system.
It runs on starting fluid, so that is a good sign. It has to be a fuel problem. The ignition module not only fires the coil but it also triggers the computer to fire the injectors. I have never seen Chevy injectors fail to the point to where it won't run, so don't change the injectors just yet. If you have fuel coming out of the return line (back to the tank), then the fuel pressure should be good. My advice is to replace the module with a known good one or break down and buy a new one (they can't be that expensive). Hope this helps, ---TEX---
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#5
11-28-2003, 08:25 PM
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Re: 89 corvette starting problems
Im pretty sure i got most of the water out, there might be a small amount left, but not much. I have checked the injectors with noid lights, and they light when the computer sends the signal to let the fuel through. thanks for any help...........still stooped
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#6
11-28-2003, 08:27 PM
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Re: 89 corvette starting problems
Im not sure how the water got in there, but one day my dad was driving the car and the next it didnt want to start. It has been sitting for a while here and there though.
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#7
04-02-2004, 12:42 PM
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Re: 89 corvette starting problems
try checking your D.I.S., direct ignition system mod. it's about $80.00
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#8
10-22-2004, 08:22 PM
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Re: 89 corvette starting problems
I had water in my tank one morning on the orad
it gets in from yhe gas cap if the drain is clogged and you had the car running it creates a vacume then the water fills up past the cap and sucks it in the hole i was under waranntee then and they sucked it out they had to use an additive not sure what it was but it dries the fuel and adsorbs the water tetrohydrosomething water is not good check the filter under the car it is a big AC can
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