Why did my 1973 Corvette engine die out?
Why did my 1973 Corvette engine die out?
1973 Corvette Convertible, Owned since 1980. This same problem plagued me and my 73 for months. I forgot to check the obvious – the fuel filter at the carburetor was so full of junk and floating junk that the engine would starve for fuel. Somebody used Teflon tape on the fuel line threads and it was disintegrating.
Why does my C3 Vette die at idle?
In Park with the engine running at idle, after it fully warms up, the engine starts having an erratic idle then eventually dies. Then it won’t start until the temp of the engine drops down a bit. So my guess is this is definitely not a vacuum leak, it’s just got to be something with the carb.
What should the HEI be on a C3 Vette?
If you have points it should go to 29 KV, HEI should come close to 40 KV. These will both be lower during cranking as opposed to running due to reduced battery voltage. 1962 – 1963 – 1965 – 1980 1986 Roadster 1979 – L-82 – 1989 Roadster 1990 ZR-1. Vapor Lock ? Could it be my fuel pump?
Can a 77 Vette L82 die on Hot?
77 Vette L82, black. No, if yours are steel, it’s definitely not the lines, they wouldn’t “un”collapse as they cooled, and that would take a LOT of heat anyway. I would seriously consider a carb rebuild, or, another carb. Check all related ignition components.
Why does my Corvette have a lean misfire?
Fuel injectors. If Your Corvette’s battery is faulty or has low voltage, the engine will suffer from a lean misfire. A low voltage battery affects fuel delivery since the fuel pump runs slower than expected. As a result, the fuel pressure is low and a lean fuel condition occurs.
Can a damaged ignition coil cause a corvette to not start?
As such they are high voltage transformers. However, if your Corvette’s ignition coils are damaged, no spark will ignite the air/fuel mixture, and as a result, the engine will misfire or not start, especially when the Corvette is loaded. Damaged ignition coils can cause damage to the engine or catalytic converter as well.
When do spark plugs need to be replaced on a corvette?
If spark plugs are blown, worn out or loose, your Corvette will misfire. If loose, adjust them back and the misfiring will cease. if damaged, replace them. After every 10,000 miles, motoring experts advise that the spark plugs need to be supervised as they can stop functioning.
Why is the EGR not working on my 1975 Corvette?
If you have a 1975-1981 car the EGR valve is most likely not functioning. The 1975-1981 cars had the EGR system removed or plugged because they caused hesitation and stalling. When EGR systems are disabled, the exhaust passages have a tendency to build up carbon, blocking EGR flow. If the EGR valve is stuck open the engine will not idle.
Why does the engine stall when I put the car in reverse?
If the engine stalls, it may be caused by a faulty idle control valve, bad O2 sensors, or clogged fuel injectors. In regards to the “pan”, we’re not sure what you are referring, so it may be a good idea to contact one of our local professional mechanics to complete a battery inspection to determine what’s going on with your 2010 Ford Focus.
Why does my Corvette have so much hesitation?
Check your owner’s manual for proper fuel pressure. With dirty fuel injectors, the performance of the Corvette suffers tremendously. The dirtier they are, the harder it is to send the right dose of fuel, which will result in not only hesitation but also bad fuel economy.
If you have a 1975-1981 car the EGR valve is most likely not functioning. The 1975-1981 cars had the EGR system removed or plugged because they caused hesitation and stalling. When EGR systems are disabled, the exhaust passages have a tendency to build up carbon, blocking EGR flow. If the EGR valve is stuck open the engine will not idle.
Why does my Corvette have bad fuel economy?
With dirty fuel injectors, the performance of the Corvette suffers tremendously. The dirtier they are, the harder it is to send the right dose of fuel, which will result in not only hesitation but also bad fuel economy. Remove the engine covers, fuel rails, and fuel injectors.
1973 Corvette Convertible, Owned since 1980. This same problem plagued me and my 73 for months. I forgot to check the obvious – the fuel filter at the carburetor was so full of junk and floating junk that the engine would starve for fuel. Somebody used Teflon tape on the fuel line threads and it was disintegrating.
What should the kV be on a C3 Vette?
Set it for about 10 KV to begin. If you have points it should go to 29 KV, HEI should come close to 40 KV. These will both be lower during cranking as opposed to running due to reduced battery voltage. 1962 – 1963 – 1965 – 1980 1986 Roadster 1979 – L-82 – 1989 Roadster 1990 ZR-1.
What should you do if your car stops running?
If your fuel gauge shows you have sufficient fuel and your car still stops running, you should go get it checked by a mechanic. An alternator is responsible for managing the supply of electricity in your vehicle. If your car suddenly stops running, it is possible that the alternator has gone bad.
Can a 1980 Corvette turn over or start?
1980 corvette battery tests that it is good, but the car will not start or turn over. new gauges for 1975 vette don’t seem to work properly. Bought new gauges for my 1975 vette from Ecklers. Fuel gauge reads 1/2 tanks yet i ran out of gas?? Water gauge reads 100 but should read around …
In Park with the engine running at idle, after it fully warms up, the engine starts having an erratic idle then eventually dies. Then it won’t start until the temp of the engine drops down a bit. So my guess is this is definitely not a vacuum leak, it’s just got to be something with the carb.
Why does my 1978 Corvette Indy Pace Car track poorly?
My 1978 Corvette indy pace car seems to track poorly. The rear axle appears to be in poor allignment. In what ways is the rear axle adjustable? She always started right up until it got wet. Turns over strong sprayed ether in carburetor she wants to rip but it’s just shy of catching did have …
Why is my Chevelle 350 hard to start?
Fuel pump check valve doesn’t maintain pressure in the fuel rail so it boils and then you have to crank excessively to get rid of the vapor before it will start. Bought a 1972 Chevelle 350 a couple years ago. Every time I drove it it wouldn’t restart easily or sometimes not at all unless I waited a while.
Why does my C4 Corvette engine not start?
The distributor outputs rotational frequencies to the ECM (Engine Control Module) as a result of the engine being rotated by the starter. This frequency continues as long as the engine turns (both starting and running) if no frequency output is present the engine will not run.
What should the idle speed be on a corvette?
Initial engine idle speed of should be around 900-1100 RPM and then slowly decay to around 600-700 RPM unless the air conditioner is on at which case it will run at around 800-1000 RPM depending on pressure altitude. If this does not happen, the Idle Air Mixture Valve or IAC may be plugged or faulty.
How to repair a corvette 1963 to 1983?
Chassis Electrical 190 Accessory Service 195 Instruments Panel Service 199 Lights, Fuses and Flashers 311 Mechanic’s Data 312 Index 156Chilton’s Fuel Economy Clutch and Transmission 206 Clutch 211 Manual Transmission 220 Automatic Transmission and Tune-Up Tips 284 Chilian’s Body Repair Tips CONTENTS Dl H7
How long does it take to tune up a corvette?
Tune-Up and Performance Maintenance 39 Tune-Up Procedures 40 Tune-Up Specifications and Steering 230 Front Suspension 242 Rear Suspension 253 Steering Engine and Engine Rebuilding 61 Engine Electrical System 88 Engine Service and Specifications
Can you break the plenum on a 1963 Corvette?
You can easily break the mounting ears on the 1963 – ’65 plenum feet by over-tightening. Do not apply more than 5 ft-lbs. of torque to the hold-down nuts when installing the plenum on the adapter manifold.
Why does my 1980 Corvette not turn over?
She always started right up until it got wet. Turns over strong sprayed ether in carburetor she wants to rip but it’s just shy of catching did have … 1980 corvette battery tests that it is good, but the car will not start or turn over. new gauges for 1975 vette don’t seem to work properly. Bought new gauges for my 1975 vette from Ecklers.
How to ask a question about a C3 Corvette?
On C3 Ask Corvette Garage you can submit a question about problems you have with a C3 Corvette. One of our writers or a fellow Corvette enthusiast will reply ASAP. Also you can Respond to other peoples questions.