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09-06-2006, 04:13 PM | #31 | |
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Re: '93 Del sol will not start at all now
Hi,
You mentioned the heater circuit is the black and yellow/black. Check for 12v when the car is on but not running. Do I disconnect the o2 Sensor plug to check for 12v or probe the back of the connector while connected to the o2 sensor and check for 12v? Also doesn't there need to be resistence between terminals C & D (2 of the 4 wires) on the HO2S? (I got from a Chilton manual) Thanks again. |
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09-06-2006, 05:20 PM | #32 | |
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Re: '93 Del sol will not start at all now
Yeah, 10-40 ohms between C and D. Both checked with the O2 sensor installed. The Chilton's doesn't specify that?
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09-08-2006, 02:02 AM | #33 | |
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Re: '93 Del sol will not start at all now
Hi,
The Chilton's says: With key OFF. Disconnect the 4P connector from the HO2S. Measure resistance between terminals C & D on the HO2S. Is there 10-40 ohms? I did all that and did not get any reading at all as if there was no continuity. From there Chilton's says if the is not 10-40 ohms replace o2s. At that point it stops. If there was 10-40 ohms then it continues on. I did check the heater circuit: the orn/black (the book said orn/black) and yellow/black wire, check for 12v. And there was 12v, this was with the connector disconected. It doesn't say to disconect it or not but a nearby drawing shows it disconected, so thats how I did it. This voltage test was assuming there was 10-40 ohms on the previous test. Thanks again for your input. Aloha! |
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09-08-2006, 03:56 PM | #34 | |
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Re: '93 Del sol will not start at all now
Ok, if the sensor checks out ok and you're still getting the code, check the wiring from the ECU, through the firewall, and down to the O2. There might be a short somewhere.
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09-09-2006, 02:43 PM | #35 | |
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Re: '93 Del sol will not start at all now
Hi,
The first test in the Chilton's, it says if the is not 10-40 ohms between terminals C & D on the HO2S, replace o2s. I'm assuming that that ment it was bad (the o2 sensor).? Thanks again for your help. Aloha! Last edited by 93delsolzz; 09-09-2006 at 05:12 PM. |
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09-10-2006, 01:42 PM | #36 | |
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Re: '93 Del sol will not start at all now
Yup, replace the sensor. Have fun getting it out. My recomendation is to heat it up at the base with a propane torch and then try to break it lose.
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09-24-2006, 07:15 PM | #37 | |
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Re: '93 Del sol will not start at all now
Hi,
I got the new 02 sensor in (and you were right that was a bit@! to get out even with the heat it stripted a bit, I tapped the threads to clean it up) and it runs great now. I also noticed the car has an increase in power from the MSD Coil. Nice addition. The computer now has no codes. Thanks a lot for all your help. Aloha! |
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09-24-2006, 09:51 PM | #38 | |
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Re: '93 Del sol will not start at all now
Excellent! Glad it all worked out for you.
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09-22-2009, 12:34 PM | #39 | ||
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Re: '93 Del sol will not start at all now
Quote:
Hi ... what about if i don't have negative in terminal #8 .... a put negative on #8 and fuel pump start to work , but car doesnt start .... when start (some days after try a lot of times) run all day very good .. then next day the same problem , car doesn't start. |
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