Question about Cars & Trucks
I stopped by Autozone. They gave me code PO1680. What is this and what do I do?
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Posted on Jan 02, 2017
CODE 89 IS FUEL PRESSURE REGULATOR 1 PERFORMANCE.CODE 642 SENSOR REFERANCE VOLTAGE CIRCUIT "A" LOW.AND CODE 2004 IS ITAKE MANIFOLD RUNNER CONTROL STUCK OPEN.CK FOR BAD OR MISSING VACUUM LINES.IS IT STILL UNDER WARRANTY
Posted on May 05, 2009
Your MAF may be dirty and needs to be cleaned or replaced. You may have a vacuum leak.
In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
Inspect all vacuum and PCV hoses, replace if necessary
Check for a dirty fuel filter and proper fuel pressure
Posted on Oct 06, 2009
Sometimes you have to wait a week for the light to go off, the computer has to go through several start/run/stop cycles.
Posted on Nov 22, 2009
SOURCE: I just had my valve
yes if the mechanic was sloppy--any service theres a risk of screwin somethin else up--u need to hook it up to a tech II scanner for a data stream to obtain precise info-dont just go changin parts--1st look over engine to see any damages
Posted on Feb 19, 2011
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