+1 vote
370 views
by

i have a 2002 old alero has a code p0300 I changed plugs power pack cleaned injectors still misfires no power

Vehicle: 2002 Oldsmobile Alero 2.2L

2 Answers

+1 vote
by (13.5k points)
 
Best answer
Hi there,

Check for intake manifold leaks, also check your catalytic converter and engine timing. These can cause this code as well as take a look at the fuel pressure. Low fuel pressure can cause this also.
0 votes
by (8.3k points)
P0300 OLDSMOBILE - Cylinder Misfire Detected Random Cylinders
Read more: https://www.autocodes.com/p0300_oldsmobile.html

Related questions

36.3k questions

32.2k answers

1.3k comments

22.7k users

Need A Repair Shop?
Find local automotive repair shops in your area.
Does your car have Safety Recalls? → Check here
...