I'm desperate. My 89 IROC 350/5.7L has been having troubles the past few months. The car would start and run great then when I shut the car off it would not start back up. It eventually got worse. I have troubleshot and have replaced the PCM, fuel pump, filter, fuel injectors, replaced gaskets in the plenum. and the dang thing still won't start. The car had a major tune up a year ago involving new plugs, wires, distributor cap and rotor. I'M AT A LOSS NOW. I'm thinking Catalytic Convertors. HELPPP

 

Since it doesn't start....
What does it do? Crank?

Don't worry about your cat.

 

we need more detales i bet the pickup in the dustub is bad did you check for spark?

could the wires have got swaped around is it a v8?
fireorder 18436572 1 being on the d-side front.

 

The car cranks it starts up...runs...then after shut off won't start up again for about an hour or so.. It does crank over. Had a diag done at the dealer first they stated the fuel pump was bad then the PCM...then they told me I had 4 bad fuel injectors and a vacuum leak at the plenum. I replaced everything and it still is like that.

 

HA.......I am having the same issue. In fact, my car is sitting down town right now. I drove down town to run some errands, started fine, ran fine, shut it off for 15mins and then it would not start. Just cranks. Every now and then, it'll seem like it wants to fire, but it doesn't. I had this one other time since i pulled it out of storage, at work. I went out at break, would not start, after work 4 hrs later, it fired right up. Seems to me like it is getting loaded up on fuel. Y? i don't know, but I can smell it while it is rollin over.

 

How long was the car in storage? I purchased the vehicle last Jun and it had 48,000 original miles and according to carfax it was only driven 8,500 miles in 6 years maybe it has something to do with old gas maybe gumming something up...

 

It was in storage since November. I had stabilizer in it and when I got it out I filled it up with 93 octane. Maybe some of that old fuel is still in it. I just got back from getting it, it sat for 50 min and fired right up. As soon as I got back with it, I got my buddies timing light and checked it. It is running 6*, What do you guys all run for timing. Does that sound about right?

 

Well Since I put the engine back together after replacing the fuel injectors the car started...hissed then I shut it off to check where the hissing was coming from and it hasn't started since. Today I replaced the spark plugs, distributo Cap and rotor still nothing...By me taking off the fuel rail do I need some starter fluid since it was drained dry? If so where do I put it in at? Or maybe a bad distributor cause when I was replcing the Rotor...the old one was rusted fast to the distributor and the part below the rotor was chipping off because of rust. Anyone have any ideas?

Rick B

 

I have verified it is getting fuel I have to wait until tomorrow to verify spark...HELPPPPP.

 

Have your ignition module checked. It's free.
Pull out an ohmmeter and check the resistance of all your injectors cold and hot. Write the numbers down.

You do not need to put starting fluid in anything after draining the fuel rail. The fuel pump will still pump through. It'll just take a tad bit longer.

 

I will check on that I am currently replacing the Distributor cuz the coil is so rusted its falling apart which shorted and blew a fuse. once thats fixed hopefully it'll start. Thanks for the tip. so as of now I've replaced the fuel pump, fuel filter, pcm, fuel injectors, spark plugs, distributor cap, rotor and now the distributor. how much more do I have to replace. UGHHH!!!!

 

Well Thanks

 

Well thanks for all the help replaced the distributor, MAF sensor (about 700 more dollars) rechecked the plug wires, Didn't know you weren't supposed to use RTV in the plenum...Luckily someone pointed that out to me and it didn't do any damage. and after all that replacing WALLLAAAA It cranked started and sounds like a dream. THANKS AGAIN to everyone who helped check out the link below for a pic of my ride.


http://viewmorepics.myspace.com/inde...mageID=4080677

 

Does the car only not start when it's been turned off and it still warm? Like...after it's cooled a while, will it start fine?