Question about 1988 Nissan Sentra 2 Door

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I have a 1990 nissan 240 sx and the car runs really good but i am not getting that great of gas mileage. Sometimes when i am riding it just overheats and i turn the ac off and it will drop back down and my water in my radiator is going somewhere but i dont know where

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Suggest lower temperature cooling fan sender switch

Posted on Aug 14, 2008

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1991 nissan 240 sx I replaced all sensors and my idle at different RPMS and sometimes when i step on gas it bogs i can sometimes feel it going down the road all new wires plugs ect i honestly...


Hey don, here is something most ppl don't think about. Is your car breathing right? Nope, not a joke, for real. Check mass air flow, check for any blockage from the intake like air filter. And, believe it or not, check your exhaust. If you have had work done to it, it might have the wrong diameter exhaust. I've seen it a million times with the 240 sx and other euro cars. Ppl throwing on the big 3 inch "Burp" cans on the back sure sounds great, but the car needs a certain amount of back pressure to run right. Good luck.

Apr 10, 2013 | 1991 Nissan 240SX

1 Answer

Volvo 850 sometimes runs rough and gets low gas mileage sometimes runs fine


tune up. Good starting point.

mass air flow sensor, O2 sensor..... could be many things.

Dec 10, 2012 | Volvo 850 Cars & Trucks

1 Answer

I just had the alternator replaced on my 240. The idle was rough before, it sometimes seemed like it wanted to stall, mostly when it was cold. When I got my car back from the shop, the idle seemed to be...


A bad altinator will not make you car run rough, This only duty is to charge your battery while running.
I can't say for sure because i don't know if you have a cerorator of throttle body or injectors. This is a fuel problem And maybe just a vacume leak. Sorry can't tell more wish you luck on it.

Apr 19, 2011 | 1989 Volvo 240

1 Answer

1996 Nissan 240 Sx. The speed gauge fluctuates and


long story short, you need to replace the speedometer unit. its the motor and gear assembly inside.

Jan 20, 2010 | 1996 Nissan 240SX

1 Answer

What is the spark plug gap for 1991 nissan 240 sx and can I find a diagram for the wire harness to the ditributor cap


if you have a 1.6 engine the gap is .041 ths /(1.04mm) if you have a 2.0 engine the gap is .033 ths / (.84mm)

May 30, 2009 | 1991 Nissan 240SX

1 Answer

Poor gas mileage


have coolant temp sensor checked as incorrect readings will affect running of vechile.

Mar 09, 2009 | 1990 Volvo 240

1 Answer

Nissan 240 sx head lights


"Drifter" recommends : Try replacing headlight fuse which should be a 10 amp , fuse panel located on floorboard next to clutch pedal.

Sep 15, 2008 | 1990 Nissan 240SX

1 Answer

240 sx nissan 89


Depends on if it's a twin cam or single cam engine. You need to give us more information before we can help you.

Aug 26, 2008 | 1990 Nissan 240SX

1 Answer

1990 Nissan 240 SX clutch repair and head gasket repair needed


if time is not of the essence lok into the local vo-tech schools or community colleges that offer auto repair

Aug 14, 2008 | 1990 Nissan 240SX

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