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Car Forum / Nissan / Nissan Cars / October 2005Injector cleaner?
What brand of injector cleaner should I use in my 99 pathy? I have read that Techron is very good. The local Nissan thief wants $99.00 to do the job, and I'm tired of being jobbed! Regards DR What makes you think you need it? > What brand of injector cleaner should I use in my 99 pathy? > I have read that Techron is very good. > The local Nissan thief wants $99.00 to do the job, and I'm tired of being jobbed! > Regards > DR 79000 miles and sluggish acceleration! > What makes you think you need it? > [quoted text clipped - 4 lines] >> Regards >> DR > 79000 miles and sluggish acceleration! I highly doubt cleaning the injectors is going to help. That's an american car thing, they use the "ball" type injectors which are prone to clogging. A nissan uses a pintle type which doesn't have those issues. Also a profession cleaning runs full strength cleaner through the injectors which isn't even close to the same as putting a can of something in the gas tank. But techron is a good combustion chamber cleaning additive and won't hurt anything. My guess is you have a knock sensor problem..  SignatureSteve http://www.atlantaracing.com Air cleaner is another possibility. >> 79000 miles and sluggish acceleration! > [quoted text clipped - 6 lines] > But techron is a good combustion chamber cleaning additive and won't hurt > anything. My guess is you have a knock sensor problem.. >> 79000 miles and sluggish acceleration! > [quoted text clipped - 7 lines] > But techron is a good combustion chamber cleaning additive and won't hurt > anything. My guess is you have a knock sensor problem.. Would back Steve on that one. I have a 98 Stagea wagon (Skyline) Neo 2.5L had poor round town gas mileage. Tried a couple of Injector cleaners thru the tank, no difference. Got my local to pull them and ultrasonically clean them (3 were dribbling) and got 5 MPG better round town consumption. Paul. > I highly doubt cleaning the injectors is going to help. That's an american > car thing, they use the "ball" type injectors which are prone to clogging. > A nissan uses a pintle type which doesn't have those issues. That's strange because GM went to ball injectors to prevent clogging. >> I highly doubt cleaning the injectors is going to help. That's an >> american car thing, they use the "ball" type injectors which are prone to >> clogging. A nissan uses a pintle type which doesn't have those issues. > > That's strange because GM went to ball injectors to prevent clogging. Do some reading on the subject. Ball injectors may be better than plate injectors but aren't as good as pintle type. SignatureSteve http://www.atlantaracing.com > I highly doubt cleaning the injectors is going to help. That's an > american car thing, they use the "ball" type injectors which are prone to > clogging. A nissan uses a pintle type which doesn't have those issues. > > That's strange because GM went to ball injectors to prevent clogging. > Do some reading on the subject. Ball injectors may be better than plate > injectors but aren't as good as pintle type. I'll admit I'm no authority on the subject, but I thought the earliest gasoline fuel injectors for production cars were usually the pintle type, and the newer versions have the pintle set back slightly to keep it from the worst heat. All the injectors featured in Chevron's before & after photos in their Techron brochures are the pintle type. >> I highly doubt cleaning the injectors is going to help. That's an >> american car thing, they use the "ball" type injectors which are prone to [quoted text clipped - 8 lines] > gasoline fuel injectors for production cars were usually the pintle > type, I don't think GM used them, too expensive. http://www.sdsefi.com/injectors.htm "The Rochester division of GM makes the ball type injector for OE applications as well as the larger flow race types for MSD. These use a ball and socket arrangement. These have excellent atomization and a wide spray pattern but are also prone to partial plugging by varnish deposits." > and the newer versions have the pintle set back slightly to keep > it from the worst heat. All the injectors featured in Chevron's before > & after photos in their Techron brochures are the pintle type. I've never seen nissan injectors have this problem so something else may be going on? I know some of the early GM injectors had LOTS of coil failures that people blamed as being "clogged" so hat may be where this misinformation started? SignatureSteve http://www.atlantaracing.com |
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