car runs bad, wont accelerate and sputters - Toyota Celica Forum
User Tag List

 
LinkBack Thread Tools
post #1 of 3 (permalink) Old 08-08-2018, 01:34 AM Thread Starter
Member
 
Join Date: Aug 2018
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
(Thread Starter)
Default car runs bad, wont accelerate and sputters

hi, i picked up my son a car at auction and the drive back was an adventure.. its throwing a P0171 code.. running lean so my first guess because its running so bad is the pump, regulator or filter but ill do the normal tune up and vacuum leak diagnostic first.. was wonder the best way to tie into the fuel line to hook up a fuel pressure tester.. any ideas and help are appreciated.
chrislb75 is offline  
Sponsored Links
Advertisement
 
post #2 of 3 (permalink) Old 08-11-2018, 06:12 PM
Enthusiast
 
Join Date: Dec 2010
Posts: 27
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Default

P0171 is misfring cyl 1, may be just plugs contact contaminated or oxidized, bad ignition coil, damaged wires, or dead plug.

To trouble shoot, swap the ignition coil from cyl 1 to 2. If you have P0172 then the fault is with the ignition coil. Clean it up, repair or replace.

If you still have P0171, then the fault is with plug or wire in cyl 1. clean, repair or replace it.


Quote:
Originally Posted by chrislb75 View Post
hi, i picked up my son a car at auction and the drive back was an adventure.. its throwing a P0171 code.. running lean so my first guess because its running so bad is the pump, regulator or filter but ill do the normal tune up and vacuum leak diagnostic first.. was wonder the best way to tie into the fuel line to hook up a fuel pressure tester.. any ideas and help are appreciated.
PETER PAN 2009 is offline  
post #3 of 3 (permalink) Old 12-02-2019, 10:11 AM
Member
 
Join Date: Dec 2019
Posts: 3
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Default

PO301 is misfiring of cylinder 1, PO171 is running lean.
Fuel supply likely issue, fuel pressure test requires special fitting for Celica.
I changed my fuel filter and it was still an issue, so then I changed the fuel pressure requlator, both were inexpensive 45$ and 15$ and issue has since gone away.
Shammy is offline  
Reply

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome