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Joined: Jan 2004
Posts: 699
KULOD
Senior Member
KULOD

Senior Member
00 Toyota Celica

Joined: Jan 2004
Posts: 699
LIL RHODY
Feb 23, 10:05am - #109728 
Check Engine Light COdes

My check engine light went on and its codes 300 and 304, which is multiple misfires and #4 cylinder misfire. cry. What do you think may have caused this and what could I do to correct the problem, you think I should get new sprak plugs. By the way 00GTS6SPD

Joined: Jan 2004
Posts: 699
KULOD
Senior Member
KULOD

Senior Member
00 Toyota Celica

Joined: Jan 2004
Posts: 699
LIL RHODY
Feb 23, 1:26pm - #109729 
Anyone???

Joined: May 2003
Posts: 5,346
spaztikid
dikitzaps
spaztikid
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
Feb 23, 1:32pm - #109730 
sparkplugs -- check them and if they're messed up replace them and make sure they are properly gapped.

Joined: May 2002
Posts: 6,007
isaac
ECelica Admin
isaac
2001 Absolutely Red Toyota Celica GT
ECelica Admin
2001 Toyota Celica GT

Joined: May 2002
Posts: 6,007
Los Angeles, CA
Feb 23, 5:08pm - #109731 
You will find exactly what you are looking for here...
https://www.celicahobby.com/gal3/tech_ShopMan1?page=5

(use the FIRST index image on page gallery 5 - the link i posted)

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Joined: May 2003
Posts: 5,346
spaztikid
dikitzaps
spaztikid
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
Feb 23, 5:10pm - #109732 
P0300 Random/Multiple Cylinder Misfire Detected

P0304 Cylinder 4 Misfire Detected

check your plug for your fourth cylender

Joined: May 2002
Posts: 6,007
isaac
ECelica Admin
isaac
2001 Absolutely Red Toyota Celica GT
ECelica Admin
2001 Toyota Celica GT

Joined: May 2002
Posts: 6,007
Los Angeles, CA
Feb 23, 5:11pm - #109733 
Here is the exact solution to your problems...


go here and keep scorlling to the right - this is the detail page with how to diagnos/correct your celi's reported problem

https://www.celicahobby.com/gal3/tech_ShopMan1/celicashopmanual1_Page_266


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shawnstam
shawnstam
2004 Toyota Celica
California

Posts: 71
Joined: April 2004
Random: just picked up a Yellow 2004 action package GTS celica, with every option.
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