0 like 0 dislike
365 views
by

Car sputters n misfires, when starting or excellerating more so when the a/c running. Rpms drop to zero sometime when driving. Replaced the fuel filter, fuel pump running fine, replace some damaged flex tubing in the exhaust, also does not have a cat. Anymore these are the most recent errors was reading one on the catalist warm up..

Vehicle: 2000 hyundai sonata 4liter

1 Answer

0 like 0 dislike
by (8.3k points)

The two codes may not be related since one is for the transmission and the other one for the engine. The P0300 code is triggered when the engine is misfiring. Misfiring problem can be caused by a range of components, spark plugs, injectors or coils. You should start by replacing the spark plugs.

P0705 HYUNDAI - Transaxle Range Signal Malfunction

Read More: https://www.autocodes.com/p0705_hyundai.html

P0300 HYUNDAI - Random/Multiple Cylinder Misfire Detected

Read More: https://www.autocodes.com/p0300_hyundai.html

Related questions

0 like 0 dislike
1 answer 486 views
0 like 0 dislike
1 answer 300 views
0 like 0 dislike
1 answer 498 views
0 like 0 dislike
1 answer 654 views
1 like 0 dislike
1 answer 440 views

36.2k questions

32.2k answers

1.3k comments

22.8k users

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