I have a 1990 honda civic lx and the engine has a loss of power and rough idle and also burning more fuel than it should. also smoke coming out the exaust with a lean fuel smell. just took the cat off

Asked by Dec 27, 2015 at 12:23 PM about the 1990 Honda Civic LX

Question type: General

2 Answers

26,075

and????plugs good? vacuume leaks??? intake gaskets/seals ok...

10

Yeah look for vacuum leaks around the intake manifold and throttle body and intake manifold gaskets may need to be replaced! Also the problem could be the idle control valve located at the back of the intake manifold! Also could be bad injectors/fuel pump... But check the left side of the intake manifold where the map sensor is and there looks like a big screw you need a flat head for it and twist it all the way on the try loosining it and see if you notice a change in the idle

Your Answer

Add photo

Related Questions

Search Honda Civic Questions

Honda Civic Experts

#1 Tom Demyan
Tom Demyan
Reputation 1,020
#2 Takoda Fraser
Takoda Fraser
Reputation 1,000
#3 Jonathan Ford
Jonathan Ford
Reputation 980
View All

Related Models For Sale

Used Honda Accord
1,071 Great Deals out of 68,731 listings starting at $1,000
Used Toyota Corolla
1,003 Great Deals out of 70,074 listings starting at $1,800
Used Toyota Camry
1,225 Great Deals out of 85,030 listings starting at $750
Used Honda Accord Coupe
187 Great Deals out of 10,358 listings starting at $1,495
Used Ford Mustang
735 Great Deals out of 44,990 listings starting at $1,500
Used Nissan Sentra
616 Great Deals out of 52,590 listings starting at $1,000
Used BMW 3 Series
1,037 Great Deals out of 31,547 listings starting at $975
Used Hyundai Sonata
875 Great Deals out of 48,091 listings starting at $1,495

Used Cars For Sale

2017 Honda Civic LX For Sale
25,369 listings starting at $16,684
2016 Honda Civic LX For Sale
40 Great Deals out of 1,019 listings starting at $11,995
2015 Honda Civic LX For Sale
52 Great Deals out of 1,936 listings starting at $7,995
2014 Honda Civic LX For Sale
186 Great Deals out of 4,862 listings starting at $7,890
2013 Honda Civic LX For Sale
39 Great Deals out of 1,165 listings starting at $7,499

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.