Cars & Trucks Logo
Posted on Apr 14, 2009
Answered by a Fixya Expert

Trustworthy Expert Solutions

At Fixya.com, our trusted experts are meticulously vetted and possess extensive experience in their respective fields. Backed by a community of knowledgeable professionals, our platform ensures that the solutions provided are thoroughly researched and validated.

View Our Top Experts

The car is running poorly and missing when hitting the gas pedal

My 1989 Corvette is hard to start - takes alot of pumps of the gas pedal and then is missing and sometimes backfires on hitting the gas pedal. I've already replace the fuel filter, air filter and PCV valve and that seemed to work for a bit but now is probably worse than ever. It seem like if I run the automatic tranny without overdrive it seems to run a bit better but its driving me crazy. Could it be the mass air flow sensor?

Answer This Question
  • rbodnar339 Apr 14, 2009

    No I have not but they appear to be in good shape and like I said, it runs pretty good when you keep it out of overdrive.

  • Anonymous May 11, 2010

    have you replaced distributor cap , rotor , wires , plugs and does plenum have cover over distributor ?

×

2 Answers

Anonymous

Level 1:

An expert who has achieved level 1.
New Friend:

An expert that has 1 follower.

  • Contributor 1 Answer
  • Posted on Mar 26, 2010
Anonymous
Contributor
Level 1:

An expert who has achieved level 1.
New Friend:

An expert that has 1 follower.

Joined: Mar 26, 2010
Answers
1
Questions
0
Helped
945
Points
1

It's your fuel sending unit.

  • Anonymous Mar 26, 2010

    check the pulsator located above the fuel pump. when you have the fuel sending unit out, at the top is the electrical plug. If the prongs on the plug are burnt looking, replace wireing harness on fsu. A bad fsu will short out the fuel pump.

×

Anonymous

Level 2:

An expert who has achieved level 2 by getting 100 points
All-Star:

An expert that got 10 achievements.
MVP:

An expert that got 5 achievements.
Vice President:

An expert whose answer got voted for 100 times.

  • Expert 111 Answers
  • Posted on Apr 14, 2009
Anonymous
Expert
Level 2:

An expert who has achieved level 2 by getting 100 points
All-Star:

An expert that got 10 achievements.
MVP:

An expert that got 5 achievements.
Vice President:

An expert whose answer got voted for 100 times.

Joined: Jun 10, 2008
Answers
111
Questions
9
Helped
69123
Points
374

Give it a good tune up. Change the cap and rotor, plugs. Make sure that the plug wires are in good shape and not broken from heat.

  • Anonymous Apr 14, 2009

    You have to check the timing. Make sure that the timing marks are lined up with the timing. It might have jumped.

×

Ad

Add Your Answer

×

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

0helpful
1answer

My 1989 Camry is running a little rough. Takes some time to start it up and if I mash the gas pedal too hard it will die and shut off. Someone told me it could be a vacuum leak? Any help?!?
It sounds to me not enough fuel getting to engine.could be a fuel pressure problem.Maybe a faulty fuel pump.or could also be a faulty idle sensor.Just a few possibilities
Good Luck :)
Read full answer
Oct 11, 2016 • 1989 Toyota Camry
0helpful
1answer

Just bought a 1997 corvette been sitting a while charged up battery would not stay running was missing only ran when i kept on fethering pedal the noticed exhaust pipe got cherry red
Check to see if the exhaust is exiting the rear tailpipe. Could be a plugged up catalytic converter. Or some sort of obstruction in the exhaust system....
Read full answer
Mar 30, 2014 • 1997 Chevrolet Corvette
2helpful
1answer

89 corvette clutch pedal safety switch
should be adjustable. if its on top of pedal arm try adjusting it away from the pedal
Read full answer
Jan 17, 2012 • 1989 Chevrolet Corvette
0helpful
1answer

1989 corvette starts good runs rough and will not accellerate. When you hit the throttle, it acts like it is not getting fuel. Replaced the fuel filter, did a check on the fuel pump with a gauge and it...
Fuel injectors cleaning ! How to Diagnose Test and Clean Dirty Clogged or Bad Fuel Injectors
Read full answer
Jul 10, 2017 • 1989 Chevrolet Corvette
0helpful
2answers

89 corvette hard to start after setting a day or two act like not getting fuel
Check your fuel pressure it should be 40-47 with the key and engine off and 30-44 with engine running.If its not within these specs then replace the fuel pump and filter.
Read full answer
Aug 08, 2011 • 1989 Chevrolet Corvette
0helpful
2answers

I have a 1989 Corvette that was running fine. Then after a long drive (several hours) it just stalled and would not start. The next day it started right up, ran for about 10 minutes and stalled and would...
My first guess would be the fuel pump. Alot of defective pumps will operate until they warm up.
Read full answer
Feb 01, 2011 • 1989 Chevrolet Corvette
0helpful
1answer

89 corvette quit running found bad ecm and replaced then the comp was bad replaced so now car idles great but will not take gas runs rough and misses real bad
check the fuel injectors - seems the new fuel is messing these up...
Read full answer
Aug 05, 2010 • 1989 Chevrolet Corvette
0helpful
1answer

1989 Corvett After running great, started missing and stopped will not start again
cheek youre plugs and plug wires four the miss firing depinding if the car spudder before it died could be fule problem cheek the fule pump fule injectors and fule filter if its carb make sher its set rite <is it still turn over or complety ded win you put the key in
Read full answer
Feb 28, 2010 • 1989 Chevrolet Corvette
0helpful
2answers

My '94 Tempo just started sputtering, with loss of power. If I floor it from a take off it'll get up to speed then, I can take my foot out of it and it runs ok unless I have my foot into the gas pedal at...
maf sensor or fuel pressure regulator
Read full answer
May 14, 2009 • 1994 Ford Tempo
0helpful
1answer

My engine wont rev on kickdown 1989 corvette
your torque convrtoer is shot. it is the at the front of the tranny to transfer motion from fly wheel ( engine side) to the trans. its a fairly cheap and easy fix.
Read full answer
Apr 06, 2009 • 1989 Chevrolet Corvette
Not finding what you are looking for?

View Most Popular

1989 Corvette

  • Cars & Trucks

Related Question

My 1989 Camry is running a little rough. Takes some time to start it up and if I mash the gas pedal too hard it will die and shut off. Someone told me it could be a vacuum leak? Any help?!?

  • 1989 Toyota Camry

Related Topics

955 views

Ask a Question

Usually answered in minutes!

Popular Questions

454 firing order diagram

1969 Chevrolet Corvette

Service Active Handling, ABS and Traction Control Lights on

2000 Chevrolet Corvette

1977 chevy corvette wiring diagram

1977 Chevrolet Corvette

82 corvette crossfire injection, engine

Chevrolet Corvette Cars & Trucks

Engine vacuum diagram for a

Chevrolet Corvette Cars & Trucks

Check Out the Latest Top Trucks Report!
Check Out the Latest Top Trucks Report!

View all Fixya Reports

Top Chevrolet Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

john h

Level 3 Expert

29494 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

15088 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...