- Where can my manuals be found in WinPEP 7?
- How do I display the max values, cursor options and other features on my graph screen?
- How do I make my engine rpm on my make run screen match the RPM in my vehicle?
- What RPM pickup should I use when testing my vehicle?
- Why does my RPM gauge in my Make Run screen jump around at idle and through the RPM's?
- Why can't I view my run files that were on the left hand corner of my graph screen?
- Why does my computer tell me that my "Com port is open but hardware is not found"?
- What do the green and red buttons on my two button pendant do?
- Why does my computer say "invalid floating point"?
- Why can't I access runs under a customers name that I was able to yesterday?
- What is the proper wiring and correct jumper orientation for the Breakout board on my dyno?
- The MPH or KPH on my dyno isn't working. What do I do?
- How often should I change my filters in my air fuel pump?
- My Air Fuel pump doesn't create suction through the main tube that goes into my exhaust. What is wrong?
- I know my vehicle is running rich but my air/fuel is telling me I'm lean. What's wrong?
- What do I do if I just can't figure it out?
Q. Where can my manuals be found in Winpep7?
A. STEP 1. Close the Winpep7 program
STEP 2. Right click on START button. In bottom left hand corner of screen
STEP 3. Left click on EXPLORE
STEP 4. Scroll down to and select PROGRAM FILES
STEP 5. Under PROGRAM FILES select WINPEP7
STEP 6. Under WINPEP7 select HELP and then select MANUALS.
Q. How do I display the max values, cursor options and other features on my graph screen?
A. By right clicking your mouse button on the graph screen with a selected graph open you can acquire more additional features.
Q. How do I make my engine rpm on my make run screen match the rpm in my vehicle?
A. You will need to change your engine plug fire in your Make Run Configuration in Winpep7 to whatever degree matches you vehicle. In Winpep6 you can change this when you select your make run icon. Just before you make your run, a Make Run screen will pop up where you can change the plug fire to the appropriate number, also at this time you are able to save detailed notes for the run you are about to make.
Q. What RPM pickup should I use when testing my vehicle?
A. When testing your vehicle it is always best to use the Primary pickup lead “before coil” you will have a less chase of picking up any unwanted RF interference from your spark plug wires and any aftermarket ignition system you might have installed on your vehicle.
You should only use your Secondary pickup leads when the pickup for the primary lead is not easily accessible.
On Diesel application you will have to purchase an Optical RPM Pickup PN#76411000 from Dynojet Research.
Q. Why does my RPM gauge in my Make Run screen jump around at idle and through the RPM’s
A. It could be a couple of things. First check the pickup lead that you are using and make sure there aren’t any cracks in the ferrite. Check if the vehicle has a loose or damaged spark plug wire. Also if the vehicle has an MSD or other type of aftermarket ignition system you may have to try using multiple secondary leads on two separate wires.
Q. Why can’t I view my run files that were on the left hand corner of my graph screen?
A. Because the Advanced mode setting is not selected. To get in to Advanced mode you need to select Tools then Environment options and then Advanced mode.
Q. Why does my computer tell me that my “Com port is open but hardware is not found”?
A. There could be various reasons. Your 9 pin cable from your CPU to Hardware stack could be damaged, or not connected solid; also you need to make sure the CPU 9-pin cable is plugged into the CPU module “bottom one.” You could have a burnt out fuse in your Hardware stack. Check all fuses with a volt meter and make sure they are all secure. Check your reset button which is located on the bottom module of your hardware stack. It is very difficult to see so you may need a flashlight to see it. As it is a very small black, recessed button which you will need to use a pen or a pencil to depress it and hold it for roughly 20 sec. with the power on.
Q. What do the green and red buttons on my two button pendant do?
A. The green button on your two button pendant is used for sampling a specific run and the red button is used for the brake on the dyno.
Q. Why does my computer say “invalid floating point”?
A. Depending on the version of Winpep software you are using there may be a couple of reasons. If you are using Winpep6, create a new directory with a new make, model, and name and make sure that there aren’t any spaces, commas, and spaces. If you are using Winpep7 it could be a sampling problem. Make sure you are depressing the green button to make a sample, the green button again to end the sample, and then the red button to brake.
Q. Why can’t I access runs under a customers name that I was able to yesterday.
A. The easiest way to explain how to fix this is by calling 1800-992-3525 and talking to a Dynojet dynamometer technician.
Q. What is the proper wiring and correct jumper orientation for the Breakout board on my dyno?
A. The easiest way to explain the proper wiring and jumper setup is to contact Dynojet technical support @ 1800-992-3525
Q. The MPH or KPH on my dyno isn’t working. What do I do?
A. The first thing you should check is your Breakout board. Depending on what dyno you have your Breakout board could be in different locations. What you will want to do is look for a green led light to be on when your hardware stack is in the on position. If your led is on have someone rotate the drum while someone watches the breakout board. What should happen is there should be a RED led light that should flash every time the drum makes a full revolution. If this does not happen you will want to contact Dynojet technical support at 1800-992-3525.
Q. How often should I change my filters in my air fuel pump?
A. For optimum performance your filters should be changed every 12 to 15 hours of use.
Q. My Air fuel pump doesn’t create suction trough the main tube that goes into my exhaust. What is wrong?
A. Your Air fuel pump needs to have its heads serviced and rebuilt. You can purchase these head rebuild kits through Dynojet they are $40.00 per head and they will come with detailed instructions on how to replace them properly. To minimize lengthy repairs you should inspect you pump heads every 40 to 60 hours. It would also be a good idea to have spare rebuild kits available. We also recommend marking the orientation of the valve plates before you remove them AND using the old screws as opposed to the new ones that come with the kit.
Q. I know my vehicle is running rich but my air/fuel is telling me I’m lean. What’s wrong?
A. It could be a couple of things. The first thing to check is you copper tubing that you stick into the exhaust for any cracks. Cracks in your tubing can cause your pump to suck fresh O2 which would cause it to show lean. Also, make sure that the probe is AS FAR into the exhaust as possible….on some Harley Davidsons for example……that could be almost 4 feet by the time you reach the cam cover!
Check both hoses that are located on the pump to see if they are blowing air instead of sucking. If they happen to be pushing air out it will show a lean mixture and your pump will need to be rebuilt.
Remove the O2 sensor from the pump, take a butane lighter and inject the butane gas into the end of the O2 if the gauge on your computer doesn’t go to 10-1 AFR your sensor is most likely bad.
Q. What do I do if I just can’t figure it out?
A. Feel free to contact technical support 5 days a week from 8 a.m. to 5 p.m. we are always happy to help with any problem you may have.
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