my nissan 1991 300zx is burning really rich???just bought it, any suggestions??

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
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kgsolo300zx
Posts: 1
Joined: Wed Mar 10, 2010 8:53 am
Car: 1991 Nissan ZX twin turbo

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just purchased a 91 300zx turbo and it seems to be burning pretty rich, not too sure where to look first? is this commommaybe a sensor, old fuel??

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evildky
Posts: 14713
Joined: Sat Jan 31, 2004 9:23 pm
Car: 71 240ZT, 87 300ZXN/A-T, 06 350Z GT, Tundra TRD RW
Location: Louisville, KY
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generally if it's running rich it's a bad injector or leakign injector O ring, it could also be O2 sensors or the cts, fist step woul dbe to check the ecu for codes, step 2 would be to ohm the injectors and verify they are all good, let us know how those items turn out and we'll help you get it worked out
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