..symptoms, a diagnosis?

Discuss topics related to the CA18DE and CA18DET series engines.
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N1ceDrgn
Posts: 26
Joined: Fri Sep 27, 2002 9:32 am
Car: 1993 240SX SE CA19DET
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Ok, here's the engine and the symptoms..A CA19DET, port/polished head, 1.2mm head gasket, Tomei 260/260 cams, stock injectors, SR turbine, SR MAF, AVCR, SAFC, HKS 3 core intercooler..I've checked all the grommets, the settings and connections for the AVCR, SAFC are good, checked the crank angle sensor, works as it should, coil packs and injectors seem to working like they should, the MAF seems to be working like it should..The problem I've got, it's runs 'WAY' rich, EGT registers at around 4 - 5 versus around 7 where it should when it's warmed up and running under pressure, the idle lobes really bad, anywhere from 6 - 400 with the hood closed, and from 1K - 700 with the hood open..Does anyone have any ideas what or where the problem may exist?:help


pulsar gtr
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Joined: Tue Sep 03, 2002 12:22 pm
Car: NISSAN VEHICLES
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If the oxygen sensor is defective, it would cause such a problem, since the ecu won't get any signal from it, automatically the ecu makes the car run rich.

Pulsar GTR

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N1ceDrgn
Posts: 26
Joined: Fri Sep 27, 2002 9:32 am
Car: 1993 240SX SE CA19DET
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I'll check that out. That is really one thing I hadn't thought that much about. After running an SAFC, it should be working without it. If it is trying to, then yes, you are right, that could be a reason. I'll check that. Thanks, if there is anything else you can think of, let me know..


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