Need some advice

The Nissan 300ZX (Z32) general community discussion forum
andymac40330
Posts: 19
Joined: Sat Jan 20, 2007 8:36 pm
Car: 1990 Nissan 300ZX

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i seem to have found the main problem with my car. Please dont make fun of me for this as i am not a mechanic. what apperared to have happened is that one of my intake hoses happened to bust loose. that was causing my problem with the bogging down between 1-3 rpm. Additionally my oil pressure is showing really low (BUT ONLY AFTER THE ENGINE WARMS UP) and it seems to still show slight signs of the problem (bogging between 1-3 rpm) of if i shift to 5th gear (like to save gas when driving on the highway. Please help me with any suggestions. Thanks again


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freakonaleash1187
Posts: 1460
Joined: Tue Jan 27, 2004 5:09 pm
Car: '93 300ZX N/A, '97 200SX SE

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Your intake hosing busted off? Where did it do this at? I have never heard of such a thing as the intake is very durable.

And about your oil pressure, that is normal. The oil pressure is engine speed sensitive, and as the oil warms up, the pressure goes down. The oil pressure at 5000rpms will be higher than at 2000rpms.

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evildky
Posts: 14225
Joined: Sat Jan 31, 2004 9:23 pm
Car: 71 Datsun 240ZT
87 Nissan 300ZX N/A-T
06 Nissan 350Z GT
Toyota Tundra TRD RW
Location: Louisville, KY
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the oil sends also start reading low after a number of years, as for the piping, you might want to take some time and make sure all the soft hoses are fitted tightly and the clamps are all tight


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