1989 Nissan Maxima car running on 5 cyl

ALBDARN

MEMBER
1989 NISSAN MAXIMA
6 CYL
FWD
AUTOMATIC
65,868 MILES

Was told by machanic that I had one blocked fuel injecture. What is the best way or product to clean fuel injectures? If this does not work, what is your suggestion for this problem?

Sunday, August 9th, 2009 AT 10:08 AM

3 Replies

KHLOW2008

MECHANIC
41,814 POSTS

Hi albdarn,

Thank you for the donation.

Injectors are a known issue with Nissan vehcles of the eighties and early nineties.

On vehicle cleaning would not be possible as the cleaners used is not going to work. The best way is to machine clean it.

The best option would be to replace the injector if it is faulty as cleaning might not work. The scrap yard should have this part at a very low cost.

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Sunday, August 9th, 2009 AT 1:13 PM

THREID

MEMBER
2 POSTS

I also have a misfire on 2 cylinders; compression good on all-average 120 pounds; new plugs and wires; new cap; there is a strong spark between cap and wires but it still misses when I pull wires 1 and 3 from the cap; miss is less noticeable when engine is revved high but at idle and in gear it really lopes; any other suggestions on what to try; could I also have bad injectors?

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Tuesday, August 11th, 2009 AT 7:51 PM

KHLOW2008

MECHANIC
41,814 POSTS

Hi threid,

Yes, possbile for you to have bad inijectors as well.

One way to confirm is to swap the injectors with other cylinders and retest if the problem changes to cylinder that they were swapped with.

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Wednesday, August 12th, 2009 AT 11:19 AM