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Search took 0.00 seconds. Search: Posts Made By: JFOlivier
Forum: Zongshen RX4 07-20-2022, 12:48 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
It would appear to me that the ECU is just a...

It would appear to me that the ECU is just a process controller the software of which would lay out the parrameters.So really if you want to adjust the fuel air ratio it should be done by the...
Forum: Zongshen RX4 07-19-2022, 05:45 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
pyounbl, After fitting that 100 ohm resister in...

pyounbl, After fitting that 100 ohm resister in the X-pect it ran fine and I would expect very little change in the F/A mixture which when the bike reached operating temperature and went into closed...
Forum: Zongshen RX4 04-28-2022, 08:56 AM
Replies: 102
Views: 14,826
Posted By JFOlivier
Fitted the 100 ohm pot in series with the IA...

Fitted the 100 ohm pot in series with the IA sensor thermistor and connected my 50 year old oscilloscope to the injector and ran the bike with the full 100 ohms added to the IA sensor. The x-pect...
Forum: Zongshen RX4 04-26-2022, 01:37 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
Lukas as soon as my 100 ohm potentiometers and...

Lukas as soon as my 100 ohm potentiometers and plugs arrive I will dig out my old scope and try out ECU hacker and see what the results are like. I think if the engine light comes on with a fault...
Forum: Zongshen RX4 04-25-2022, 03:10 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
Lukas I am happy with my Lifan x-pect but would...

Lukas I am happy with my Lifan x-pect but would like to learn a little more about ECU,s and their operation. I will be setting up ECU hacker so that I can download information from my ECU which is a...
Forum: Zongshen RX4 04-25-2022, 11:38 AM
Replies: 102
Views: 14,826
Posted By JFOlivier
Lukas by adding 100 ohms to the input air sensor...

Lukas by adding 100 ohms to the input air sensor all you would be doing is telling the ECU that the temperature is 10 degrees F cooler than it actually is. This does not change unless the...
Forum: Zongshen RX4 04-24-2022, 09:46 AM
Replies: 102
Views: 14,826
Posted By JFOlivier
I removed and tested the Intake Air Temperature...

I removed and tested the Intake Air Temperature sensor and checked its resistance and at around 70 degrees F it read 1.8K ohms and at about 35 to 40 degrees F about 2.2K ohms.
So this thermistor has...
Forum: Zongshen RX4 04-22-2022, 08:58 AM
Replies: 102
Views: 14,826
Posted By JFOlivier
When I get some time I will take a look at my air...

When I get some time I will take a look at my air temp sensor and try to measure its resistance. Then raise the temperature and see if the resistance increases or decreases which will give me some...
Forum: Zongshen RX4 04-21-2022, 01:17 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
If you take a look at the IAP sensor on the...

If you take a look at the IAP sensor on the x-pect it is between the throttle valve and the intake manifold so how does that give you the atmospheric pressure when it is working from almost a vacuum...
Forum: Zongshen RX4 04-20-2022, 09:40 AM
Replies: 102
Views: 14,826
Posted By JFOlivier
Does anybody know what the EFI sensors do, the...

Does anybody know what the EFI sensors do, the input air temperature does it increase or decrease fuel with a rising temperature. What about the input air pressure is this just an advance signal to...
Forum: Zongshen RX4 04-19-2022, 07:05 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
the ECU is the future, It is only a control...

the ECU is the future, It is only a control instrument. Where once control instruments were linear devices they are now programable digital devices. In the case of the ECU it has taken the place of...
Forum: Zongshen RX4 04-19-2022, 02:29 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
I wonder if guys who put on other carbs with...

I wonder if guys who put on other carbs with bigger jets also run the risk of too much fuel and washing their pistons dry, haven't heard of any problems though as I think that would take a lot of...
Forum: Zongshen RX4 04-07-2022, 07:04 PM
Replies: 102
Views: 14,826
Posted By JFOlivier
I read that posting from Lukas and found it...

I read that posting from Lukas and found it interesting, I have a Lifan expect and would like to learn more about the ECU system so will try to get the hardware from Amazon. The first problem is...
Showing results 1 to 13 of 13

 
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