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General Category => General Discussion => Topic started by: flower_king001 on June 15, 2019, 12:26:57 AM

Title: '96 Cali i running rich
Post by: flower_king001 on June 15, 2019, 12:26:57 AM

1996 Cali i
right side spark plug looks ok..but only ok
left side spark plug dry/black
compression (hot motor / WOT) 180 psi both cyl

Thoughts where to start?



Thanks

Title: Re: '96 Cali i running rich
Post by: John A on June 15, 2019, 09:10:26 AM

Weak spark Would do it. Maybe swarf stuck on the sensor in the bellhousing.

Title: Re: '96 Cali i running rich
Post by: Idontwantapickle on June 15, 2019, 09:13:40 AM

Check the basic tune up first.
Valves, timing, throttle balance and cables. Clean the throttle bodies too.
After all of that is done and the problem persists it could be leaking injector or other similar minor or intermittent failure.
Most problems are found by going through the basic maintenance items.

Hunter

Title: Re: '96 Cali i running rich
Post by: Gappy on June 15, 2019, 09:21:46 AM

I would check to see if the fuel enhancer or choke is fully closed and put a new set of plugs with the correct heat range in. Start there and work your way back. Checking to see if the spark plug leads are not leaking spark and are in good working order.

Title: Re: '96 Cali i running rich
Post by: Chuck in Indiana on June 15, 2019, 10:52:54 AM

Quote

Weak spark Would do it.

My first thought, too. It *could* be nothing more than a bad plug/cap/cable..

Title: Re: '96 Cali i running rich
Post by: flower_king001 on June 15, 2019, 11:36:22 AM

Quote from: Chuck in Indiana on June 15, 2019, 10:52:54 AM

My first thought, too. It *could* be nothing more than a bad plug/cap/cable..

Yes, I have new plugs, wires/caps and air-filter on route from MGCycle

Title: Re: '96 Cali i running rich
Post by: pehayes on June 15, 2019, 12:31:51 PM

Where does this model get its engine temp reading?  Left valve cover like the 98?  Elsewhere?  Check for an accurate temp reading.

Patrick Hayes
Fremont CA

Title: Re: '96 Cali i running rich
Post by: flower_king001 on June 15, 2019, 12:57:41 PM

Quote from: pehayes on June 15, 2019, 12:31:51 PM

Where does this model get its engine temp reading?  Left valve cover like the 98?  Elsewhere?  Check for an accurate temp reading.

Patrick Hayes
Fremont CA

Yes Patrick...left valve cover like a 98 EV. I will check that as well

thanks!

Title: Re: '96 Cali i running rich
Post by: flower_king001 on June 15, 2019, 03:02:12 PM

Check OHM on spark plug wires

Side that is running richer reads
4.5

Side running better reads
5.2