Car runing like crap wont rev past 2g

Asked by Oct 17, 2014 at 02:46 AM about the Subaru Impreza WRX STi

Question type: Maintenance & Repair

Has been back firing 4 awhile and
runing rich which has got worse
fouling up the spark plugs all 4 then
did a big backfire and strt runing like
it was on 3 cylinders puting away
wouldn't rev past 2hlf g and blow
heaps black smoke ??? What would
cause this? No codes show on
computer its a 96 sti

7 Answers

34,985

Plugged up catalytic converter. Jumped timing. Burnt piston/valve. distributor cap wires and rotor. Lots of things. Start there.

Yea catalytic converter has been blockd and cleared b4 so somethng must b causing it ta block up and cnt b burnt valve cuz all 4 plugs r az black az each otha and has coil pack nt distributor it has to b somthng stupid n simple bt i duno wat hav tryd the obvious 1st thngs u wud look at

34,985

Could be the 02 sensors are bad. That will couse all kinds of problems.

Hav replaced o2 sensor only thng i cn thnk ov is cam angle sensor to cause all these probs i hav been tld hav nt tryd a new 1 yt bcyz dnt wana waste muny f it nt it bt may hav ta try it bt ne otha places ta strt fixing wud b openly nd very thnkfuly accepted

34,985

Himmmm. All this and no CEL?????

Nup 4 sum reason and hav tryd 2 ecus

Im guna try replacing cam angle sencor

Your Answer

Impreza WRX STi

Looking for a Used Impreza WRX STi in your area?

CarGurus has 666 nationwide Impreza WRX STi listings starting at $9,998.

ZIP:

Subaru Impreza WRX STi Experts

  • #1
    Brian Dombroski
    Reputation
    120
  • #2
    Tom Demyan
    Reputation
    60
  • #3
    Charlie Arledge
    Reputation
    40
View All

Related Models For Sale

Used Subaru Impreza WRX
59 Great Deals out of 1,294 listings starting at $3,365
Used Subaru WRX STI
32 Great Deals out of 1,306 listings starting at $25,700
Used Mitsubishi Lancer Evolution
21 Great Deals out of 518 listings starting at $13,995
Used Subaru WRX
48 Great Deals out of 3,237 listings starting at $17,895
Used Subaru Impreza
214 Great Deals out of 18,420 listings starting at $1,500
Used Ford Mustang
755 Great Deals out of 42,814 listings starting at $1,300
Used BMW M3
49 Great Deals out of 1,464 listings starting at $4,990
Used Subaru BRZ
23 Great Deals out of 927 listings starting at $11,000
Used Honda Civic
850 Great Deals out of 78,667 listings starting at $900
Used BMW 3 Series
1,038 Great Deals out of 31,744 listings starting at $1,000
Used Nissan 370Z
71 Great Deals out of 2,696 listings starting at $9,499
Used Chevrolet Camaro
422 Great Deals out of 31,920 listings starting at $2,395
Used Dodge Challenger
263 Great Deals out of 21,424 listings starting at $6,999
Used Nissan GT-R
500 listings starting at $48,999
Used Dodge Charger
459 Great Deals out of 27,845 listings starting at $2,795

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.