NEED help with the Motor again!!

Discuss topics related to the CA18DE and CA18DET series engines.
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slw240sx
Posts: 3303
Joined: Thu Aug 08, 2002 9:39 pm
Car: 1990 Ca18det 240sx Hatch

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ok guys, i got the motor to run, the starter problem fixed itself, i think it was just a bad starter!!! well now the car will start im working on getting the timming is close to on... now the car wont idle it just goes from reving to dead... and when you stomp on the pedal it misses an pops but takes off in revs... we think the TPS might not be functioning or the AAC might be bad!!! or tha fact the 02 sensor isnt wired up yet!! and might anyone know what each of the wires are for on the O2 sensor harness?!?!?! basicly i need to know what color wire on the harness goes to what color wire on the O2 sensor for each of the 3 wires !

any other Ideas on what it might be or help with the O2 sensor thanks guys !!! this car is comming along thanks for the help getting it here !!! jon


boost_boy
Posts: 7051
Joined: Thu Nov 14, 2002 7:28 am
Car: B12 sentra w/built CA18DET, B12 sentra w/fully-built CA18DET, S13 coupe w/ CA18DET, S13 hatch w/CA18DET, 2002 maxima SE
Location: Miami, FL.
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Red is 12volts (switched), Black is ground and the white wire is the signal wire. But as for the harness, one of the guys here with your particular vehicle will have to help.

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themadscientist
Posts: 26254
Joined: Tue Nov 12, 2002 3:30 pm
Car: R32 GTR, DR30 RS Turbo, BRZ, Lunchbox, NSR50 Sportster 883 Iron
Location: Staring down at you with disdain from the spooky mountaintop castle.

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what engine harness are you using; KA24 or CA18? As I remember yours was all hacked up or something.

User avatar
slw240sx
Posts: 3303
Joined: Thu Aug 08, 2002 9:39 pm
Car: 1990 Ca18det 240sx Hatch

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its using the Ca18det harness !! i think you answered the question for me thanks !! yeah my harness is kinda hacked up! and this was done at a performance shop specializing in Nissan!?!its why i got the thing so cheap ! just to make shure on the 02 sensor the white is signal, red pos, black ground... okay i think i can figure it out from the Ca harnes as to which is signal ground or pwr~~!

ill let you guys know tonight if this fixes the problem

i also have a few other various wires that used to be on a connector frmo the ECU that werent connected when i repinned the connector to fit the 90 chassis!! but that ill figure out on my own !

thanks Jon

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Movingviolation240
Posts: 1681
Joined: Thu Apr 25, 2002 2:26 pm
Car: '95 Nissan 240SX 400hp SR20DET -SOLD
'93 Lexus SC300 w/ SP66 turbo kit

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the CA18ET out of the 200sx uses the same O2 sensor, if you want to try that one (it plugs right in)


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