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An exhaust leak that opens up as the temperature rises could cause lean AFR readings.
If you have a spare ADC input, you can wire up a push-button switch which will log as 0V when "ON" as shown here:
adc [NismoTronic Wiki]
The diode isn't necessary in this case. It's only nece...
On the "SETUP" tab, "EXTRAS", "DIAGNOSTICS" screen, you can adjust the "GEAR CALC FACTOR". Also make sure "GEAR CALC MAX GEAR is set to 6. 6th gear will use the 5th gear table values.
Cheers,
Dave
Try resetting the "Cranking Injector Pulsewidth" table back to the stock values from the base tune TCD.
If you find a shop you like in the SF area, you can show them the [url= URL=http://www.nismotronic.com/Dealers.php]Nismotronic Dealers[/url] page and hopefully they can become one.
Changing the injector size (flow rate) has no effect on the latency, which must be tuned separately.
The latency (based on battery voltage; the higher the voltage, the less time it takes to open the injector) is always added to the calculated injector pulse width. It is NOT part of the pulse width...
Generally, increasing fuel pressure increases latency, but I'll defer to John for more details.
Not sure where or when the myth got started, but there is no engine hp limitation based on the ECU running it.
NismotronicSA/NEMU also has the following features:
Boost by gear
Flex fuel suppo...
How are you measuring the timing error? What indicates that you are having timing errors?
With TPS unplugged, if the trans is in neutral and the ECT is at least 140ºF, the ECU enters "SET IDLE/TIMING" mode. If the trans is in gear and the vehicle speed is above 2.5mph, the TPS DTC (cod...
With TPS unplugged, if the trans is in neutral and the ECT is at least 140ºF, the ECU enters "SET IDLE/TIMING" mode. If the trans is in gear and the vehicle speed is above 2.5mph, the TPS DTC (cod...
With TPS unplugged, if the trans is in neutral and the ECT is at least 140ºF, the ECU enters "SET IDLE/TIMING" mode. If the trans is in gear and the vehicle speed is above 2.5mph, the TPS DTC (cod...
The engine requires more fuel during warmup because some of the fuel condenses on the cold manifold walls and therefore doesn't make it into the combustion chamber. In other words, it takes a longe...
The engine requires more fuel during warmup because some of the fuel condenses on the cold manifold walls and therefore doesn't make it into the combustion chamber. In other words, it takes a longe...
You can use the Monitor Window (under Logging menu) and select knock count in the drop-down.
When the ignition switch is turned off, the ECU waits for the engine to stop turning, then after one second, it turns off the ECCS relay and dies. You cannot run anything with the ECU after the ign...
When the ignition switch is turned off, the ECU waits for the engine to stop turning, then after one second, it turns off the ECCS relay and dies. You cannot run anything with the ECU after the ign...
When the ignition switch is turned off, the ECU waits for the engine to stop turning, then after one second, it turns off the ECCS relay and dies. You cannot run anything with the ECU after the ign...
Nissan's terminology for idle air control is kinda complicated. It consists of two units (separate pieces of hardware) and 3 devices (for separate Idle Air Control Valve (IACV) functions). The unit...
Sounds like a bad TPS to me.
Some VSS's produce a 0.5V AC signal and some produce an ON/OFF signal switched to ground. From the FSM's it looks like the AC signal sensors are connected through the cluster to the ECU, and the ON...
Glad to hear you passed!
You were using the simulated narrow band output from the wide band, right?
Dave
On the "SETUP" tab, "EXTRAS", "DIAGNOSTICS" screen, you can adjust the "GEAR CALC FACTOR". Also make sure "GEAR CALC MAX GEAR is set to 6. 6th gear will use the 5th gear table values.
Cheers,
Dave
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