Desperate Del Sol Help- DTC 22, 21 - white smoke - rough idle
12-09-2011, 04:31 PM
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Desperate Del Sol Help- DTC 22, 21 - white smoke - rough idle
OK, 95 Del Sol 1.6L with a P28 ECU. Bought it with a DTC 22 code, so I pinned out the sensor and the circuit and it tests out fine. So I bypassed the sensor just to start a diagnosis. I was able to clear the 22 code but now it throws a 21 code. Next, I pinned out the Vtec solenoid and manually activated the solenoid with 12v from the battery it pops fine. Additionally, I have intermittent white smoke in the exhaust and a very rough idle. So, I though head gasket, maybe just a small leak, problem now is that I performed a combustion leak test on the engine- three times- it passed. So I tested the leak fluid with CO2 from my breath, the fluid reacted. Finally, last night I noticed I have a oil leak but I am keeping it respectable on the dipstick. I am totally lost and begging for help, I guess I should mention that the motor has about 180,000 miles on it as well. Any help is appreciated
12-10-2011, 06:27 AM
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Re: Desperate Del Sol Help- DTC 22, 21 - white smoke - rough idle
Did you do the leak-down test when the engine was hot or cold? You need to do it when it's cold as everything expands when hot and the expansion may close the leak.
12-10-2011, 06:32 AM
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Re: Desperate Del Sol Help- DTC 22, 21 - white smoke - rough idle
The instruction on the kit said to use it while the engine was warm and running. I guess I can try it while its cold, not sure if its losing coolant because the fluid level is a bit on the low side I'll top it off and run it then take a look. I have not cleaned the IACV or FITV or looked at the PCV, but I will now!
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12-10-2011, 07:10 AM
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Re: Desperate Del Sol Help- DTC 22, 21 - white smoke - rough idle
No contamination between the two, and we just had fluids serviced before the problems began, so at least they were fresh and the correct colors.
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mazrim20
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