...code po171 short term trim 0123 but long term trim is up bank 1 30 anb bank 2 is 27. idle is a little rough, replaced plugs air filter pcv from dealer. no change in long term trim. no misfires ...
check engine light with codes po171 po174 Both codes are system too lean bank 1 & bank 2. Most likely a vacuum leak. Check all vacuum hoses for broken, kinked, collapsed or missing.
check engine code po171 when you stop the engine wants to stall that is a too lean bank 1 code. lack of fuel is being register by the o2 sensor. you probably have a vacuum leak.
...PO171? This is the engine lean code. Too much air is entering the engine. Intake manifold gaskets can leak, vacuum lines get old and crack. Check the operation of the EGR and PVC valves, In short it ...
...code po171 and po174 on the code reader how do i fix it p0171 and p0174 are common issues the most of the time it is a vacuum leak check all vacuum lines have seen the vacuum line on the back of the ...
...code PO171 and PO174 running lean how do you solove this problem. Just check all vacuum lnes, especially pcv hoses and if all of that is ok, it's a good chance your intake spacer is leaking. Actually ...
...po171 and po174 replaced plenum gaskets and isolator bolts,checked vacuum hoses,egr checks good cleaned maf still get 171 and 174 codes and the engine idles and runs fine. Your still lean on both ...
2000 ford pickup code po171 go to obd-codes.com
1998 ford f 150 severe pinging under load or wot conditions.also sets codes po171 and po174 lean in both banks This sounds like the timing is not advancing like it should. Check to see if your vacuum ...
check engine cose is a po171 when you stop the engine wants to shut off Google OBD11 codes.
1,590 questions posted
Usually answered in minutes!
2,636 Questions
1,214 Questions
1,298 Questions
1,160 Questions
974 Questions
