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93bkrose

New member
Joined
Jun 22, 2006
Messages
4
Location
Moses Lake, WA
Corvette
93 Black Rose
Can anybody help when I first start up my 93 with 45k on it runs fine but after warm up it starts to miss some you can really notice it at stop signs I took it to the dealer and they said to replace my dist. they wanted me to spend $1300.00 but after I said that it was done 2 years ago they said well maybe you just need wires for $600, then I showed them the reciept that I replaced the dist the water pump and wires. The dealer charged me $100 for nothing and they said thier mechinic was the best corvett one in the state. WOW
 

joesroad

Well-known member
Joined
Aug 27, 2006
Messages
98
Location
Florida
Corvette
1988 Bright red Coupe
Sounds like maybe you need to go to another state or fix it yourself after you ask for your $100.00 back!!!
 

Notorious

Well-known member
Joined
Oct 9, 2005
Messages
53
Location
Confederate States of America
Corvette
Highly modified '95 A4 coupe
Your dealership = BOHICA! (Bend Over, Here It Comes Again) If their Vette mechanic's the best in the state, I'd hate to see the worst. They sure don't have a problem throwing your money at a problem, do they?

you are right but any ideas on what might be wrong with my baby.;shrug

Plugs, coil, coil module, carbon tracking and the list goes on and on. After checking the easy and obvious things, only careful and methodical troubleshooting may find your problem. And even your new or recently replaced parts are no guarantee. While I too would tend to look at ignition problems from your description, there's no surety at this point that it may not be something else too.
 

93bkrose

New member
Joined
Jun 22, 2006
Messages
4
Location
Moses Lake, WA
Corvette
93 Black Rose
thanks

Yea it sad and they would not give me my money back they suck, and thanks for the advise I will start with the plugs and work my way up. John



Plugs, coil, coil module, carbon tracking and the list goes on and on. After checking the easy and obvious things, only careful and methodical troubleshooting may find your problem. And even your new or recently replaced parts are no guarantee. While I too would tend to look at ignition problems from your description, there's no surety at this point that it may not be something else too.[/quote]
 

gmjunkie

Well-known member
Joined
Nov 11, 2004
Messages
4,547
Location
Old Fort NC/Vero Beach FL
Corvette
03 Z-51,78 L82 Coupe
First thing I would check is the EGR for a piece of carbon stuck in it!!! I run into this allot on older Low mileage GM cars!!:upthumbs:upthumbs
 

93bkrose

New member
Joined
Jun 22, 2006
Messages
4
Location
Moses Lake, WA
Corvette
93 Black Rose
many thanks

:beer
get a digital ohm meter and check ALL your injectors for 16ohms +- 1 ohm. its a fairly easy item to check

THANKS THANKS AND AGAIN THANKS I AM OUT OF TOWN RIGHT NOW BUT WHEN I GET HOME I WILL TRY THIS AND LET YOU KNOW HOW IT WORKS. JOHN
ANOTHER VETT LOVER :cool
 

Fast Freddie

Well-known member
Joined
Jul 27, 2004
Messages
178
Location
Owensboro, Kentucky
Corvette
1991 White Convertible
i saw a thread where c4c5specialist stated that the reading should be 16.5 ohms. i just put in a new set that were all 16.2 and/or 16.3
 

MIKEM3401

Member
Joined
Dec 28, 2006
Messages
13
Location
Simi Valley
Corvette
1995 white coupe
I had a similiar experience with my 95 at 50k miles. It ended up being the O2 sensor.
Found out the ECM runs in a closed loop mode until exhausts temp reaches 200+ , subbsequentlythe defective O2 sensor sends incorrect data to the ECM and screws up the mix and timing.

Good luck.
 

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