if i put on a remanf air mass and it runs worse then the old one i unplug and runs better is it the air mass again

if i put on a remanf air mass and it runs worse then the old one i unplug and runs better is it the air mass again 2 Answers

i have a 1987 300 zx 5 speed non turbo. it keeps bogging out when you try to drive it, replaced mass air flow sensor and car runs great for a day or two and then back to bogging out. can anyone help m 1 Answer

i have replaced fuel filter,pcv valve,cap,rotor,plugs wires,and distibutor. mass air flow sensor is only thing that makes it run ok for a day or two them back to bogging out when i try to drive

I am having problems with the amount of gas flowing through the injectors, not sure if it is not getting enough air, or if the fuel pressure regulator has been damaged. i just got cap, rotor cables and new sparkplugs put in, any suggestions? 3 Answers

I am having problems with the amount of gas flowing through the injectors, not sure if it is not getting enough air, or if the fuel pressure regulator has been damaged. i just got cap, rotor cables a...

my 1990 300zx engine light just came on when i started it and drove off, give it gas and runs rough just had the injectors cleaned a month ago any ideas 3 Answers

my 1990 300zx n/a enige light just came and when i accelarate runs rough. drove fine yesterday any ideas what it could be just had my injectors cleaned about a month and a half ago

I have a 1986 Nissan 300 zx the fuel pump went out on it and i ordered another one but it looks nothing like what i took out? 3 Answers

The one i took out is in a metal cylinder thing like a paint spray can with a thin metal strip that runs down in it. The one i ordered looks a lot different with places for hoses and a black and red...