Post by
95-J30tt »
https://forums.nicoclub.com/95-j30tt-u40286.html
Sun Nov 04, 2007 11:16 pm
the engine doesnt need to be removed for the knock Sensor to be replaced, i've replaced them on the J, it takes a good day of work, but defenately not taking the engine out.....
i would make a huge deal out of it, rental just doesnt pay for the aftermath that you are going through......
what do the fumes smell like? (exhaust?), you are saying that the engine is noisy, i think it might be the exhaust not connected properly
for your safety, dont drive the car if you smell fuel
i'm just assuming, but, it might be that the engine they installed came from a 300zx (easy to come by, but the problem is that it is an OBDI system), it wont work properly unless it is tuned right, and the ECU replaced with the correct one (pre 1995 model).... but that is just a thought, dont quote me on it, but it would be a good idea to check....
run the engine codes, see what comes up, since it is an OBDII system (the original ECU "Engine Control Unit" system in the 1997 J30), then you will need an engine code reader or just take it to a shop to check the codes for you, it will cost you less than a 100$, but it's worth it to know what codes there are
finally, i suggest that you take it to a third party, reputable 300zx specialist around your area (i'm saying 300zx, because the engines and transmissions in the J30 are the same as the 300zx), the mechanics there would know exactly what is wrong with the engine right away, with now horsing around..... they usually stock extra engines and parts ready to go, so repairing time would be short too..... anyways, i hope that this helps, good luck, and please update us on what happens