Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Fuel Pressure Regulator Check
1.
Stop engine and disconnect fuel pressure regulator vacuum hose from intake manifold.
2.
Plug intake manifold with a rubber cap.
3.
Connect variable vacuum source to fuel pressure regulator.
4.
Start engine and read indication of
fuel pressure gauge as vacuum is changed.
Fuel pressure should decrease as vacuum increases. If results are unsatisfactory, replace fuel pressure regulator.
