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240SX

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Question
No oil pressure.
If your oil level is where it needs to be, there is proper oil filter installed, and there are no leaks, this would indicate a bad oil pump or possibly bad crankshaft main bearings. If the engine runs without knocking, smoking or other...
Question
Idling roughly and stalling
If you are referring to your head gasket, it is possible that something may not have gone back together correctly in the process. If the gasket did not seal, this could cause compression issues which could cause your engine not...
Question
Car running badly after engine rebuild
If you are able to start your vehicle and keep it running with high RPM's the issue may not be with your wiring inside. The issue could still be out in the engine bay area. There are so many variables...
Question
Engine getting no spark
Hi. Is there any power coming from the top of the distributor? The ignition coil itself may not be firing correctly and should be inspected. The coil is controlled by the ECU which does have the possibility of crashing as...
Question
Refrigerant leak caused by screw tightened too tightly
Hi. I checked  the list of recalls for your 1998 Nissan 240SX. Unfortunately, there are no recalls available for your type of AC leak. It will be difficult to get them to pay for it. The only way I see...
Question
Car won't start with new battery after sitting a year
Hello. If the vehicle only starts with the jumper wire method, then it is likely its an issue with the ignition switch itself. It's possible that the switch itself is bad or the key has a become bad. Try starting...
Question
Window makes popping sound after window motor is replaced
Hello. Thanks for writing in about your 1996 Nissan 240SX. It sounds to me like the door panel most likely will be out of place and getting caught up on something which is causing the popping sound. Check the position...
Question
When hitting a puddle, car died & had buzzing noise
Hi. Thanks for writing in about your 1996 Nissan 240SX. It is likely that you have some stationary water on top of one of the circuits or inside of one of the connectors causing the fuses to blow. I wouldn't buy...
Question
Brake pedal sinks all the way to floorboard
Hi. Sounds like a sweet setup you have there for your 1998 Nissan 240SX. It sounds to me like the lack of brake pedal pressure could be due to a leaking brake booster possibly or a brake booster hose collapsing...
Question
Gas pedal sticking
I have seen this issue before. Your gas pedal is connected to the throttle plate via a cable. If the throttle plate becomes dirty, it will get stuck and harder to move. You will feel this in the gas pedal....
Question
my question is that i want to get a nissan sliva s14 which is the 240sx i guess but when i get it i want to convert it into a gtr
Hello. I have seen several s14/240sx's with the RB26 motor installed in them. I do not believe that it is a direct swap however. There is most likely some fabrication involved. If you search around on the internet i'm sure...
Question
My car only starts if I cover the air intake tube where the air filter goes
This may suggest you have a vacuum leak. When plugging the air intake tube, you are choking the motor off from supplying it with air. If taking your hand off and allowing it to breathe on its own causes it...
Question
How do i fix the timing on my car?
There are several ways to check and set the ignition timing. The most traditional method is to check timing with a timing light against the recommendations of Nissan for your 1990 240SX. However, there could be issues with timing due...
Question
My Rpms start to go up like crazy and seems to lose power when I'm at WOT
In many cases, the symptoms you're describing are related to a blockage in the fuel delivery system; perhaps the fuel injectors or the throttle body itself. Over time, carbon builds up inside the throttle body and the [fuel injectors]((https://www.yourmechanic.com/article/what-causes-fuel-injectors-to-get-clogged-or-dirty) which...
Question
Air conditioning pressure doesn't change when clutch is engaged.
If your expansion valve was stuck in the open position then you may not see much, if any, change in pressures. Before replacing the expansion valve I would recommend you remove the compressor inlet line and turn the compressor by...
Question
Air con isnt getting cold
Hello. You likely need to [pressurize the refrigerant]https://www.yourmechanic.com/services/heating-ac-inspection) in the system properly. Unfortunately there is no way to test the system without hooking up gauges and physically testing it. If you have recently filled the system, there may be a...
Question
Hit a curb and coilover is rubbing tire.
You most likely bent the wheel spindle or strut [https://www.yourmechanic.com/services/strut-assembly-replacement] causing the top of the wheel to bend in toward the strut spring. You should have the wheel, strut, lower control arm and spindle to identify what component get damaged....
Question
Tachometer slowly rises while driving (1500 rpm after 5 min, 4000 rpm after 10) regardless of gear
Hi there. Check the VSS (vehicle speed sensor) on the transmission for any loose wires. If the wires are tight, then remove the VSS and clean it off, then put it back in and retest. If the symptoms come back,...

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