Search found 4 matches

by Craig O
Thu Oct 05, 2023 7:49 am
Forum: Volvo Penta
Topic: 7.4 Gi Dies shifting into gear
Replies: 7
Views: 571

Re: 7.4 Gi Dies shifting into gear

I just bought this boat, assumed this would something easy enough to tackle myself. The service records I have show that the complaint was hesitation when accelerating from idle. The shop replaced plugs, wires, cap, distributor, and noted the IAC was not functioning and replaced it too. 6 months pri...
by Craig O
Wed Oct 04, 2023 9:54 pm
Forum: Volvo Penta
Topic: 7.4 Gi Dies shifting into gear
Replies: 7
Views: 571

Re: 7.4 Gi Dies shifting into gear

Should be good on plugs, cap, and fuel. I understand adjusting the cable isn't preferred, it's just 40 RPM from making it and it's really tempting. Interested in hearing any other suggestions. The boat seems to run great otherwise. Tops out at 4,800 RPM on the high side, fires right up. No service e...
by Craig O
Wed Oct 04, 2023 5:01 pm
Forum: Volvo Penta
Topic: 7.4 Gi Dies shifting into gear
Replies: 7
Views: 571

Re: 7.4 Gi Dies shifting into gear

Thanks for the welcome! The IAC was replaced about a year ago, and based on the checks in the service manual it appears to be operating correctly. The book suggests to run the engine, shut it down, then disconnect the IAC. Fire it up disconnected, verify it's idling At least 200 rpm higher, then rec...
by Craig O
Wed Oct 04, 2023 1:20 pm
Forum: Volvo Penta
Topic: 7.4 Gi Dies shifting into gear
Replies: 7
Views: 571

7.4 Gi Dies shifting into gear

I have a 1997 7.4L Gi, DP-S drive, that will die when I shift into forward or reverse gear. This only happens when the engine is up to operating temperature and idling at 600 - 614RPM (digital tach). When the engine is cold, idling at 650 RPM it has no issue going in and out of gear. I tried to remo...