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My Recent Posts · (01/25/12

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Had codes p0173 and p170 show on obdii reader.
I checked the air flow reading and it was jumping from 1lb to 9lb at idle.
Changed the maf reset mil light. all went well fo 8 weeks.

Light came back on again with the code p0170.
So i took live reading from car.

This is what i found.
should both 02 sensors have the same reading on bank 1 sensor 1. And bank 2 sonsor 1.which they are at idle but when you drive they miles apart.
Is this a bank 1 sensor 1 fault.
If it is would it be a P0170/P0173 code.
And if it is is it easy to replace.
The car is a 2002 LPG conversion 2.7v6 4wd
Any thoughts would be great.

My Recent Posts · (02/01/12

I have had LPG on 3 Santas so far but never had that sort of problem. Are your plugs OK? I had a V6 in for a service a few years ago and the garage only changed the front 3. Started to get O2 sensor problems and changing the plugs cleared it up fine. Not sure what the codes were though.
50k change on the V6 if you fit the correct plugs. You can also get NGK 'LPG' plugs http://www.ngkpartfinder.co.uk/files/LPG_info.pdf .
I've had some in for the last 50k and looking to change them in the next few weeks.
Looking at the price of the LPG plugs - LPG1 1496 - I might just go back to the standard Iridiums and close the gap 5 thou. It worked for about 250000 miles on the other cars!
I've 100000 on this V6 now and it's had LPG since about 200 miles on the clock. Only two sets of plugs in all that time too.

Author	Comment
john m	p0173,p0170	Lead	[-]
Posts: 1 (01/25/12 06:07:38) Reply Quote More My Recent Posts	Tags : None Remove this ad Had codes p0173 and p170 show on obdii reader. I checked the air flow reading and it was jumping from 1lb to 9lb at idle. Changed the maf reset mil light. all went well fo 8 weeks. Light came back on again with the code p0170. So i took live reading from car. This is what i found. should both 02 sensors have the same reading on bank 1 sensor 1. And bank 2 sonsor 1.which they are at idle but when you drive they miles apart. Is this a bank 1 sensor 1 fault. If it is would it be a P0170/P0173 code. And if it is is it easy to replace. The car is a 2002 LPG conversion 2.7v6 4wd Any thoughts would be great.
Alan51		#1	[-]
Posts: 855 (02/01/12 11:24:43) Reply Quote More My Recent Posts	I have had LPG on 3 Santas so far but never had that sort of problem. Are your plugs OK? I had a V6 in for a service a few years ago and the garage only changed the front 3. Started to get O2 sensor problems and changing the plugs cleared it up fine. Not sure what the codes were though. 50k change on the V6 if you fit the correct plugs. You can also get NGK 'LPG' plugs http://www.ngkpartfinder.co.uk/files/LPG_info.pdf . I've had some in for the last 50k and looking to change them in the next few weeks. Looking at the price of the LPG plugs - LPG1 1496 - I might just go back to the standard Iridiums and close the gap 5 thou. It worked for about 250000 miles on the other cars! I've 100000 on this V6 now and it's had LPG since about 200 miles on the clock. Only two sets of plugs in all that time too. 8 cylinders are twice as much fun as 4

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