Flashing engine light , slow to accelerate, shuts off on gradual incline.

Asked by Nov 14, 2016 at 12:54 PM about the 2008 Honda Civic

Question type: Maintenance & Repair

2008 Honda Covic 5 speed Manual 120,000
milesHad new Serpentine belt, new battery
installed, oil change with synthetic oil. It passed
inspection. I get home car it sat less than 2 hours ,
I drove it for a couple miles the check engine light
started flashing , it was extremely slow to
accelerate,  and car shut off going up a gradual
incline. Spark plugs replaced about 4 months ago. I
bring it back to repair shop it showing  misfire with
multiple codes start with P300 on up . The
shopsruled out coils, mass air fuel sensor, O2
sensor. They also put a fluid to remove any water
from fuel tank.Could it be related to any of things
that I had them replace cause the problem?. What
would cause this to happen. 2 car repair shops
have tried there best to diagnose the problem and
just can't figure it out. Please help !!! :(

4 Answers

60,705

That sounds like your car may be going into limp mode. Can you post all the codes? Maybe the computer is going out.

Best Answer

I recall a few P300, P301, P304. My car has been in shop over a week. If computer is that expensive to replace?

Shop said about 10 differect codes was coming up

60,705

Yes those are miss-fire codes. https://www.obd-codes.com/p03- codes

Your Answer

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