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Hi I have 1995 corvette that just changed the opti spark in ...
Sent to Car Experts May 27 09:58 AM

Hi I have 1995 corvette that just changed the opti spark in and the car still has a massive stumble when I accellerate hard off of idle? This is the same thing it was doing before I changed the opti spark. I have changed the mass air flow also. I am also having trouble starting the car also. I think possibly could be the same problem or related.

Customer (name blocked for privacy)
Status:  Closed   Value: $10
Answer
May 28 1:19 AM (15 hours and 20 minutes and 23 seconds later)
         
REPLIEDCheck Mark
if its hard to start i would start with a fuel pressure test,the gauge to test this should be fuel approved and read up to 60#.
marc C -- mechanic100% Positive Feedback on 39 Car Accepts
auto repair since 1981
Reply
May 28 8:44 AM (7 hours and 25 minutes and 26 seconds later)
         
Reply to marc C's Post: What about the stumble and stall when the accelerator is pressed hard from idle? Is this also a possible fuel pressure problem?
Customer (name blocked for privacy)
Answer
May 28 10:06 AM (1 hour and 22 minutes and 12 seconds later)
         
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marc C -- mechanic100% Positive Feedback on 39 Car Accepts
auto repair since 1981
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