Trouble driving and engine light is on. I have the codes.

JDOLINGER

MEMBER
2000 VOLVO S70
2.4L
FWD
AUTOMATIC
191,000 MILES

Hello, I am having a little trouble with my 2000 Volvo S70. I just did my own oil change and after a day or so of driving its been acting up. I went to advance auto parts and they gave me these codes. P0172, P0302, P0455, P1118, P1670, P1672. When I idle the car shakes a lot, and when I accelerate I can feel that I am losing power and my check engine light keeps flashing and when it stops flashing it just stays on. What do you recommend, am I able to fix any of this myself?

Monday, May 4th, 2015 AT 9:47 AM

1 Reply

CARADIODOC

MECHANIC
34,164 POSTS

P0172 - System too Rich (Bank 1)
P0302 - Cylinder 2 Misfire Detected
P0455 - Evaporative Emission Control System Leak Detected (gross leak)
P1118 - Mass Or Volume Air Flow Circuit High Input (Bank 2)

The flashing Check Engine light means you're supposed to stop the engine right away. Too much raw fuel is going into the exhaust system where it is going to overheat and damage the catalytic converter. Code 302 is for a misfire on cylinder number 2. The first suspect is a spark plug wire got knocked off.

The most common cause of code 455 is a loose gas cap. Other causes can usually be found with a visual inspection.

I'm not familiar with code 1118. That type of code, (voltage "high") is typically set by unplugging a sensor while the ignition switch is on. I don't have a listing for the last two codes. They might be specific to Volvos.

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Monday, May 4th, 2015 AT 8:25 PM