My 99 park ave has two trouble codes, p1404, p0300 how do I check the operation of the EGR valve and is this a good place to start?
Nov 29, 2011 at 12:31 PM
Starts up runs rough and when it is put in gear it studders and misses.
KROMSCHROEDERR
- MEMBER
- 1 POST
Advertisement
P0300= engine misfire detected.
P1404= EGR valve pintle stuck open or stuck closed.
You can check the egr valve using a vacuum source.
P1404= EGR valve pintle stuck open or stuck closed.
You can check the egr valve using a vacuum source.
Nov 29, 2011 at 12:39 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement
parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.