Caddie runs rough, and will not stay cunck when octane level is
Low, I use 93 octane gas and my car is ok. but when i have only 12 gal left in tank. car starts to stall and as i push the gas petal my car will not run right and will cut off until i add high octane gas. whats wrong, O 2 Sensors are being found on scans as bad, this is odd to me. willie
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Your car is and will be fine - the lower octane fuel just predisposes the engine to pre-ignition pinging (you don't want to make a habit of it, but its no big deal). Plus, by diluting it with Ultra 93 octane, you raised the overall octane of the fuel in the tank to somewhere around (87+93) /2 = 90. Happy motoring.
it may be idle control sensor or a bad mas air flow sensor--maf sensor in otherwords. or could be engine misfire at cold temp. start. only time when cold? or does run better when warm? try warming engine to operating temperature before driving,if problem removes it's self after warm up,up grade gas to 93 octane for 1 tank full. then see if problem goes away. it's cold where you are right? if so the fuel needs to be at least midgrade 89 octane fuel because 87 octane fuel will not start your honda correctly at cold temps. in cold weather 93 or super gas octane will start ,no problem,low octane fuel sometimes gels, or freezes at low temps. if in warm climate, change the fuel filter, add fuel injector cleaner to your fuel tank[preferablly lucas fuel treatment] this will lube your fuel injectors and give better fuel mileage. thank you for choosing fixya.com
The problem is high sulfur content fuel will cause a problem with the fuel level sending unit, and cause it to read incorrectly.
The 2 times I had this happen, I was not at my normal brand fuel ( had it happen with Shell fuel both times ).
I fueled at 1/2 tank with my normal brand, and then after another 1/2 tank fueled again, and the problem went away.
If you want, the TSB lists new revision fuel level senders, that you can drop the fuel tank, and replace your exiting one with to cure the problem.
The correct P/N depends on your truck cab & bed config, and options
PART NUMBER PART NAME 8L3Z-9A213-E Kit - Fuel Sender 2006 starting 12/8/2005 through 2008 - FFV-26 Gal Tank - 126/132 WB 8L3Z-9A213-F Kit - Fuel Sender 2006 starting 12/8/2005 through 2008 - FFV-30 Gal Tank - 139 WB 8L3Z-9A213-G Kit - Fuel Sender 2006 starting 12/8/2005 through 2008 - FFV-27 Gal Tank - 145/151/163 WB 8L3Z-9A213-H Kit - Fuel Sender 2006 starting 12/8/2005 through 2008 - FFV-36 Gal Tank - 145/151/163 WB 8L3Z-9A213-A Kit - Fuel Sender 2004 through 2008 - Gas-26 Gal Tank - 126/132 WB 8L3Z-9A213-B Kit - Fuel Sender 2004 through 2008 - Gas-30 Gal Tank - 139 WB 8L3Z-9A213-C Kit - Fuel Sender 2004 through 2008 - Gas-27 Gal Tank - 145/151/163 WB 8L3Z-9A213-D Kit - Fuel Sender 2004 through 2008 - Gas-36 Gal Tank - 145/151/163WB
There is a TSB on high sulfur fuel usage, and how it impacts the fuel level resistance. If you change fuel, it might start working again. The TSB is : ERRATIC FUEL GAUGE OPERATION TSB 08-2-9
Publication Date: January 22, 2008 FORD: 2004-2008 F-150 LINCOLN: 2006-2008 Mark LT
ISSUE: Some 2004-2008 F-150 and 2006-2008 Mark LT vehicles, built before 12/3/2007, may exhibit erratic fuel gauge operation or illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0460 or P0463, and/or Instrument Cluster Module DTC B1201. This may be caused by sulfur contamination in the fuel causing an open or high resistance in the fuel level sender.
ACTION: Follow the Service Procedure steps to correct the condition.
Install a new fuel level sender following the service procedure instruction sheet provided in the fuel sender kit.
PART NUMBER PART NAME 8L3Z-9A213-E Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-26 Gal Tank - 126/132" WB ) 8L3Z-9A213-F Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-30 Gal Tank - 139" WB) 8L3Z-9A213-G Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-27 Gal Tank - 145/151/163" WB 8L3Z-9A213-H Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-36 Gal Tank - 145/151/163" WB 8L3Z-9A213-A Kit - Fuel Sender (2004 through 2008 - Gas-26 Gal Tank - 126/132" WB 8L3Z-9A213-B Kit - Fuel Sender (2004 through 2008 - Gas-30 Gal Tank - 139" WB 8L3Z-9A213-C Kit - Fuel Sender (2004 through 2008 - Gas-27 Gal Tank - 145/151/163" WB 8L3Z-9A213-D Kit - Fuel Sender (2004 through 2008 - Gas-36 Gal Tank - 145/151/163"WB
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME 080209A 2004-2008 F-150, 2006-2008 Mark LT: Install New Fuel Level Sender, Includes Time To Remove And Install Fuel Tank (Do Not Use With 9002A, 9002A4, 9002A6) 1.9 Hrs.
DEALER CODING BASIC PART NO. CONDITION CODE 9A299 42
Even a small amount of bad gas can cause your problem.
So the first thing you need to do is remove your fuel tank so you can drain all of the old fuel out,then remove the fuel sending unit and fuel pump assembly thats in your fuel tank and clean the filter screen, after that you can reinstall the fuel tank,replace your fuel filter and I would have a fuel injector sevice done.
Unless you are very skilled in automotive repair, leave this one to a pro.
It sounds like maybe yu have a fuel filter that getting plugged up.
To check this, see if you can remove it from the engine, then very carefully blow thru it in the direction the fuel travels, if clean you should be able to blow thru it easily, if not then replace.
The P132 is (E132) .................. Knock Sensor Circuitry Failure .... The knock sensor is what prevent engine ping from low octane. ... It could also be you just got some bad gas. You also might try topping off the tank with gas from another place and bring the octane level up if that is the problem. Hope this helps Good luck