TwinTurbo.NET: Nissan 300ZX forum - Best to replace or bypass
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Subject Best to replace or bypass
     
Posted by Mike@ZSpeed on October 16, 2021 at 8:30 AM
  This message has been viewed 159 times.
     
In Reply To Yes. It's an updated unit. (n/m) posted by Bernie (NoVA) on October 04, 2021 at 03:35 PM
     
Message Bernie per prev. e-mail you had mentioned you have some refurbed/rebuilt units.
1. Which unit do you have?
2. Is it just simpler to bypass this unit? Or is it ideal to replace?

*Running flex fuel.
*E85 in summer.
*93 with stabil in winter.
*** having more frequent starting issues. It tries to start then just dies. Each attempt gets closer and closer. Sometimes 5+ attempts and pretty rough at 1st.
****. New AUS injectors.
I do have new Walbro FP and new relay and fuel filter I’m going to replace. Relay sounds fine as it has the click. And I hear fuel pump priming for 2 seconds.

I am wondering if it is the stock FCMU. If the new FP doesn’t do the trick would you advice bypass FCMU or replace?


`
1990 NA
1993 TT


     
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