Thanks for the advice. Do I need to take the two injecters apart to clean them? I added a can of fuel injector cleaner to the fuel about 1 week ago, I also sprayed the throttle body and outside of the injectors with injector cleaner today.

I have an 82 CE and luckily no pronlems. Check here for advice http://www.crossfire.webhop.net/

Thanks, I just signed up and made a post. Appreciate the tip... Duce

A gentleman on crossfire website told me to install an
85 fuel pump on my 82 vette.

Check for vacuum leaks, a stuck open EGR valve, plugged idle air control motor passages, or a faulty idle air control motor. Also check fuel pressure (S/B 9-13 psi).

Hi Guys, Does anyone know how long it takes to get a password from the crossfire website? I signed up 4 days ago and still nothing. I sent a request to the moderator and still nothing. Anyone have any ideas?
Thanks!

I fixed surging by balancing the throttle bodies. It made a big difference. If the idle is high, you probably have a vacuum leak.

Sounds like the IAC motor has gone bad. Not sure if this year has this on the TBI's or not. this motor regulates the air into the engine at idle and closes down during acceleration and controls part throttle air. Sounds like it may be sticking or going bad. Quick fix if its the problem.

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Hey gang! I have a simular problem on my 82. I have no idle problem but eng has a minor surge, usually just before upshift. Seems more noticable after driven 30+ miles and high ambient temp. I have done all the regular maint stuff using delco parts. I have scan checked and there are no codes or readings out of spec. The 02 sensor is a bit slow to warm up and readings a bit sluggish. As I recall this was very common on early GM EFI and was mostly caused by very slow ECM baud rate rather than actual sensor problems. Either way I am replacing the 02 as preventative maint.

I have not checked the fuel pressure yet but suspect it may be just slightly on the low side which would cause these symptoms. The fuel guage is not very acurate either so I was already planning on replacing the tank sender, so I will probably replace the pump as well.

Someone mentioned using a 85 pump. My guess is this would probably not work. 85 MPI used a working pressure of around 30-35 psi. Crossfire uses lower pressure 10-15 psi. Let me know if anyone has tried this and what the results were.

Thanks!
Brian


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"Cholesterol? I drive too fast to worry about Cholesterol!" |IMG|http://akseez.com/brian/82Vette1.jpg|/IMG|

22 year old thread.....gotta be a record.  Lol.

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