Replaced spark plugs and ignition wires. Why is my van still misfiring? What is your question?
1. On startup vehicle shakes and vibrate
2. High pitched screeching.
3. Engine shuts off when in reverse
4. Shaking/vibrating in idle
5. Poor acceleration
OBD2 Codes
[Before I replaced spark plugs and ignition wires]
- July 19 -
P0420
P0455
P0456
- Aug 17 -
P0420
P0455
- Sept 12 -
P0300
P0304
P02303
P0456
[Codes after I replaced spark plugs and ignition wires]
- Sept 13 -
P0300
P02302
What makes this problem better or worse?
Worse on startup and when in idle
How long has your 2007 Dodge Caravan had this problem?
A few months ago and no presents major driveability issues
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