How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Golden Wrench Your Own Question
Golden Wrench
Golden Wrench, Shop Foreman
Category: Car
Satisfied Customers: 348
Experience:  ASE 30 Years of fixing severly broken cars and light trucks
13428174
Type Your Car Question Here...
Golden Wrench is online now
A new question is answered every 9 seconds

Check engine light on code po..cylinder..misfire..oxygen sensor

Customer Question

check engine light on code po 172 >to rich bank 1 & po 300 > cylinder multipiple misfire. Spent $300 on new plugs and oxygen sensor at repair shop no help> 1998 plymouth breeze 2.4 liter
Submitted: 8 years ago.
Category: Car
Expert:  Golden Wrench replied 8 years ago.
I'm GW. Do you still have the misfire? Did it leave the shop with a misfire? Is the ck eng lite back on?
Customer: replied 8 years ago.
yes it left shop with misfire ch eng lite back on
Expert:  Golden Wrench replied 8 years ago.
OK. Was it actually misfiring? You probably have an ignition coil down. Have the shop check for spark at the coils. Common problem.
Golden Wrench and 9 other Car Specialists are ready to help you
Customer: replied 8 years ago.
I haven't had a chance to take it back to the mechanic, but I will accept your answer.
Expert:  Golden Wrench replied 8 years ago.
OK. Just post here again if you need more help, meaning reply to this post. GW