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Search: Posts Made By: theholycow
Forum: Transmissions and Running Gear 01-24-2011, 04:59 AM
Replies: 53
Views: 10,775
Posted By theholycow
Re: VTEC-E question, help!

That's exactly the reason why the type of O2 sensor in use determines whether you need open loop or not. A wideband O2 can provide the data necessary to make the maximum amount of power at WOT. A...
Forum: Transmissions and Running Gear 01-23-2011, 06:47 PM
Replies: 53
Views: 10,775
Posted By theholycow
Re: VTEC-E question, help!

Close but no cigar. It's not DBW that makes WOT happen without open loop, it's wideband O2. WOT doesn't even require open loop, but common programming assumes (quite correctly) that when most people...
Forum: Transmissions and Running Gear 01-21-2011, 03:35 AM
Replies: 53
Views: 10,775
Posted By theholycow
Re: VTEC-E question, help!

^I don't know about older Hondas but in modern GMs a disconnected or failed crank position sensor does not make the engine fail to run, it just runs really terrible and may stall. It may fail to...
Forum: Transmissions and Running Gear 01-19-2011, 09:32 AM
Replies: 53
Views: 10,775
Posted By theholycow
Re: VTEC-E question, help!

I don't know if it would work with that engine but the $20 high-pressure fuel system tester (just a pressure gauge) works great on my GM V8....
Forum: Transmissions and Running Gear 01-18-2011, 02:28 AM
Replies: 53
Views: 10,775
Posted By theholycow
Re: VTEC-E question, help!

A sticky injector would not affect the pulse width of the signal that operates it, and therefore would not affect the FE reading. Nothing measures mechanical open time, just the signal that's used to...
Forum: Transmissions and Running Gear 01-16-2011, 06:07 AM
Replies: 53
Views: 10,775
Posted By theholycow
Re: VTEC-E question, help!

Clogged cat, in this case, would be intermittent with something loose that sometimes blocks it and sometimes doesn't (probably related to thermal expansion)...no idea how you'd diagnose it.
Forum: Transmissions and Running Gear 01-16-2011, 03:04 AM
Replies: 53
Views: 10,775
Posted By theholycow
Re: VTEC-E question, help!

Failing O2 sensor? Clogged catalytic converter? Sticky brake? Failing wheel bearing?
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