Cranks but won't start.....

Discuss the RB20, RB25 and RB26 series engines.
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rxzach93fd
Posts: 44
Joined: Sun Jan 13, 2008 9:42 am
Car: 92 240sx
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Ok so I started the car up just fine this morning and pulled it in my garage. The only thing I did was pulled my a/c condensor out. While I was pulling it out it sparked on something. I tried to start the car when I was done and all it would do is crank as if it where not getting gas. I checked the fuel pump fuse and I have gas in the car. All my wires and connectors seem to be fine. I have a brand new fuel pump.

What could it be?


KA720
Posts: 111
Joined: Mon Aug 11, 2008 12:30 pm
Car: RB powered s13

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I know it sounds silly, but is the ecu plug tight? if it's a little loose on one side of the plug it can cause it not to get spark but it'll still get fuel

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rxzach93fd
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Joined: Sun Jan 13, 2008 9:42 am
Car: 92 240sx
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yea my power fc plug is secure. I had the car running 2 hours before It would not start. It acts like it is not getting fuel. I have double checked all of my fuses. Like I said something sparked when I pulled the condensor out, so it has to be a relay or a burned up wire because I have checked all the fuses.


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240daveTX
Posts: 231
Joined: Sat Oct 18, 2008 8:30 pm
Car: 2005 Nissan Titan LE
1993 Nissan 240SX Convertible

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the two green relays inside the cabin on the RB harness, are they clicking?

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rxzach93fd
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i just replaced them and it didn't help, the eccs was my first thought besides fuses

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rxzach93fd
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Joined: Sun Jan 13, 2008 9:42 am
Car: 92 240sx
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all my injectors are firing, Im getting spark, maf is working, all fuses are good , all realys are good, fuel pump is good, what do I do now?

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240daveTX
Posts: 231
Joined: Sat Oct 18, 2008 8:30 pm
Car: 2005 Nissan Titan LE
1993 Nissan 240SX Convertible

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check all your grounds.

starter relay, etc etc

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rxzach93fd
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Joined: Sun Jan 13, 2008 9:42 am
Car: 92 240sx
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the starter works fine


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