Why does my Corvette have so much hesitation?
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.
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.
What should the fuel pressure be in a corvette?
Remove the passenger side’s fuel rail, locate the black cap that looks like an over-sized tire stem cap and unscrew it, and screw the fuel pressure test gauge onto it. If your fuel pressure is low, you probably have a bad/weak fuel pump. The average, healthy fuel pressure is 20 to 30 psi at idle.
What causes stalling on a 1984 Corvette crossfire?
A failing control valve solenoid can cause stalling and poor or very rough idle on the 1984 Corvette Crossfire engine. The 1984 engine uses a manifold vacuum source to operate the EGR valve so a strong vacuum flow from a stuck open control valve solenoid would allow EGR to flow at idle.
Why does my Corvette idle all the time?
An EGR that won’t close will cause hesitation. To check for an EGR leak, simply spray carb cleaner under the EGR valve. If the idle picks up, this means you have a cracked or leaking diaphragm and will need to replace it.
A failing control valve solenoid can cause stalling and poor or very rough idle on the 1984 Corvette Crossfire engine. The 1984 engine uses a manifold vacuum source to operate the EGR valve so a strong vacuum flow from a stuck open control valve solenoid would allow EGR to flow at idle.
Why does my Corvette hesitate when I step on the gas?
In fact, Corvette owners buy the Corvette mainly because it is one of the meanest cars on the road today. But hesitation can occur when the driver steps on the gas pedal. Sometimes the car stumbles or misfires, and other times it just lacks power. When hesitation happens, it means something is wrong with the monster under your hood.
Can a bad throttle position sensor cause idle surging?
Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light
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.
Are there any problems with the corvette head unit?
Check for proper installation or take your Corvette to whoever installed the head unit, if all is connected properly then the head unit was bad to begin with. If you are having inconsistent airflow issues, you could be experiencing out of sync blend door problems.
What are the most common problems with a C5 Corvette?
The most common issues you are going to run across when it comes to C5 Corvette electrical problems are bad grounds. Your C5 Corvette comes with 13 different chassis ground points around the car, all of which are subject to corrosion or coming loose causing a bad connection.
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.
What should the pressure be on a C3 Corvette?
Sometimes a torch is required to heat the A.I.R. check valve during removal. An adapter can be put together to connect the vacuum gauge to the A.I.R. tube. Three pounds of exhaust system pressure is acceptable. Any pressure greater than three pounds indicates a clogged exhaust system.
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.
When does a Corvette engine hesitate during acceleration?
Chevrolet Corvette Engine hesitates during acceleration Inspection at your home or office. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM.
Sometimes a torch is required to heat the A.I.R. check valve during removal. An adapter can be put together to connect the vacuum gauge to the A.I.R. tube. Three pounds of exhaust system pressure is acceptable. Any pressure greater than three pounds indicates a clogged exhaust system.
Why is my Corvette hesitating on the gas pedal?
In fact, Corvette owners buy the Corvette mainly because it is one of the meanest cars on the road today. But hesitation can occur when the driver steps on the gas pedal. Sometimes the car stumbles or misfires, and other times it just lacks power.
What to do if you have a vacuum leak in your corvette?
Remove the engine covers, fuel rails, and fuel injectors. Clean them using injector cleaner, then place it back in the rails, install the rails, and cover the engine back up. Figure 3. Before and after fuel injector cleaning. A vacuum leak can sometimes be detected by listening for a whistle sound.
When did the Corvette ZR-1 come out?
The Chevrolet Corvette ZR-1 (C4) was released in 1989 as a home-grown American challenger to the dominant supercars of the day – the Ferrari Testarossa, the Lamborghini Countach, and the Porsche 911 Turbo. At its heart, the ZR-1 Corvette is powered by an engine that was developed not in America, but over in Britain by Lotus.
What causes a corvette to hesitate or surge?
The Corvette is a very powerful car, and when it hesitates, we feel it. Here are some of the things that can cause your ‘Vette to hesitate or surge that should be checked. This article applies to the C5, C6 and C7 Corvette (1997-current). The most impressive thing about the Corvette is its power.
What causes a vacuum leak in a corvette?
One of the most common causes of vacuum leaks is a cracked hose. The EGR (Exhaust Gas Recirculation) is designed to reduce NOx emissions. An EGR that won’t close will cause hesitation.
