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  1. [General] Most common problem with a new to you car is...

    Most common problem with a new to you car is mixture is not set correctly. That can cause starting and running issues. I would suggest you get a dwell meter and check and set the mixture before...
  2. [Engine] Would not think so. But with the AC on your...

    Would not think so. But with the AC on your cooling fans are running which are a high current draw. Just do a voltage test at the fuel pump with the AC on to test that condition.
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    [Fuel] That is normal for those crushed brass filters. ...

    That is normal for those crushed brass filters. I would check your control pressure without the filter installed. My guess is your WUR is bad if the control pressure is the same as your primary...
  4. [Engine] My guess to engine dying would be bad fuel pump. ...

    My guess to engine dying would be bad fuel pump. I say that because not much else in the fuel system could cause the stated results you get. I don't think it's ignition related.
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    [Fuel] The LED turning on indicates the idle motor is...

    The LED turning on indicates the idle motor is fully closed so it can't reduce idle any more. With the LED off it indicates the idle motor still has range to control idle speed. If it is still off...
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    [Electrical] From memory, the RPM relay and a few other relays...

    From memory, the RPM relay and a few other relays in the back row share a ground wire running back to that ground post. So not many have found that daisy change to act up. I did have one customer...
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    [Engine] I think because of the constant loads in new...

    I think because of the constant loads in new cars, all manufactures have increased the typical alternator voltage to 14.5 volts to get the batteries charged faster.
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    [General] Idle motor is an electrical valve that is driven...

    Idle motor is an electrical valve that is driven by the idle ECU which opens and closes to maintain a fixed idle RPM. It's mounted on the drivers side valve cover and has a 3 pin electrical...
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    [General] Electronics that use a switching circuit can...

    Electronics that use a switching circuit can cause an audio noise if driving a magnetic load (transformer, etc). The Lambda drives the FV and the idle ECU drives the idle motor which we know make...
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    [Engine] Your battery is bad or not charged if it drops to...

    Your battery is bad or not charged if it drops to 8 volts when cranking. First thing is to charge or replace the battery.
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    [Engine] If you jump the double yellow/red wires to the...

    If you jump the double yellow/red wires to the brown wire on the RPM relay connector you will power the Lambda system without the engine running. Then it is easy to hear the FV buzz. I do that if I...
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    [General] I've never really thought to check my play. So...

    I've never really thought to check my play. So just checked it with it sitting in the garage. Using very light force it seems to be less than 1/8". I have stock steering.
  13. [Heat & A/C] Most common leaks are the service valves but...

    Most common leaks are the service valves but never hear of those causing that fast of leak. To test just put your finger over them after charging. You will feel and hear pressure if they are...
  14. [Engine] If you have no CATs, just use the LC2 with a tail...

    If you have no CATs, just use the LC2 with a tail pipe clamp which would save you swapping back to narrow band.

    Yes the wideband would go closed loop in 15 seconds but I did not find that to be a...
  15. [Engine] I used the older Innovate LC1 wideband. I...

    I used the older Innovate LC1 wideband. I installed it to switch the AFR from normal to a more rich value with a switch. I had removed it thinking an engine skip was the wideband but that was not...
  16. [Engine] I ran a wideband that one output was configured...

    I ran a wideband that one output was configured to drive our stock lambda ECU (0 to 1 volt) and the second output could be set up to drive what you wanted (gauge, second narrow band, etc.).
  17. [Engine] Sounds good. My otterstat is powered by the RPM...

    Sounds good. My otterstat is powered by the RPM relay so it only warns when the engine is running.
  18. [Engine] So what voltage did it instantly fall to. I set...

    So what voltage did it instantly fall to. I set my electronic otterstat to beep below 12.5 volts to warn of a belt break.
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    I set up a duct to do a better CFM test. The...

    I set up a duct to do a better CFM test. The duct is 4 foot long and has an ID of 12.4 inches. I put the probe at 3 foot from the fan so it had 1 foot of duct after the probe. The probe was...
  20. Thread: Fan fail

    by Bitsyncmaster
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    [Electrical] That jumper was a recall to replace the OE fan...

    That jumper was a recall to replace the OE fan fail unit because of high failures.

    No my fan fail will only signal a failure if a fuse blows or the fan has low voltage. It does not test fan...
  21. Thread: Fan fail

    by Bitsyncmaster
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    [Electrical] My first fan fail units measured the fan currents...

    My first fan fail units measured the fan currents but I had so many users have problems because the fan currents were not consistent. Some would take some time to settle on a constant current some...
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    I think the Thrust and CFM (power of a fan) will...

    I think the Thrust and CFM (power of a fan) will pretty much follow the power consumed by the motor. Now that is assuming the fan blades are designed for the RPM that the fan runs at. Now weather...
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    That is not what I find testing.

    That is not what I find testing.
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    Testing the DPI fan. I thought of a better way...

    Testing the DPI fan. I thought of a better way to measure thrust. Record what the fan can hold and record what the fan can pull. Take the difference to use for thrust. That takes out any friction...
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    [Engine] Make sure the distributor cap is fully seated. It...

    Make sure the distributor cap is fully seated. It can be tricky if your intake is still on the engine.
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