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C4 ZR-1 Discussion General ZR-1 Corvette Discussion, LT5 Corvette Technical Info, Performance Upgrades, Suspension Setup for Street or Track

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Old 07-27-2003, 02:27 AM   #1
Jeffvette
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Member Since: May 2000
Location: No more yankee my wankee, the Donger is tired!
Default Now the problems......

Got codes
31 Cam sensor not found or to high... fixed
33 Map Sensor voltag4e to high.... WTF :confused:
45 Right Bank 02 sensor rich
65 Left bank O2 sensor rich

ALso runs a bit rough, hunts for idle, possible coil pack failure possibility. Any tips on testing them?

She sounds mean :thumbs:
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Old 07-27-2003, 08:43 AM   #2
The Lurker
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Member Since: May 2003
Location: Katmandu
Default Re: Now the problems...... (Jeffvette)

Quote:
Got codes
31 Cam sensor not found or to high... fixed
33 Map Sensor voltag4e to high.... WTF :confused:
45 Right Bank 02 sensor rich
65 Left bank O2 sensor rich

ALso runs a bit rough, hunts for idle, possible coil pack failure possibility. Any tips on testing them?

She sounds mean :thumbs:
My god you're up early!

The O2's are rich because it isn't tuned. As I said last night, every engine is different. You can build two side by side and they will be different.

The idle is because of the cams. You can get it somewhat close in the PROM tuning but the ECM just doesn't have the programming to ever get it the way you would want it. You have a lot of overlap there and you will probably have to live with it. You can get a wideband O2 and do some tuning without being on the dyno so it doesn't cost you money.

I don't know about the MAP. Look in the manual and follow the trouble tree. I will take a look today at the shop and see what it says.

Hey, have fun and be sure to break it in right! Two hours on the stands before you put it on the ground in 15-20 minute runs. Let it cool and hour between runs. Check the oil and water each time. Vary the RPMs ad watch the temps and pressures. Used dino oil for at least the first 2K miles. C hange oil after you do the stand run in and every 500 miles after that. These are the MOST critical changes you can make! Lot's of crud running around that engine. Also change out the coolant. Keep it as clean as the oil.
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Old 07-27-2003, 08:35 PM   #3
Jeffvette
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Member Since: May 2000
Location: No more yankee my wankee, the Donger is tired!
Default Re: Now the problems...... (The Lurker)

Mr. Lurker, I'll give you a call a little later this evening.


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Old 07-27-2003, 08:35 PM
 
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