...pressure fpump will go uptp 80 .spec is 55....airflow senso and o2 new...acts like hp pump bad...no codes except p300 Your fuel pump may be bad. But have you checked the cam positioning sensor or map ...
...fuel pressure is within spec and holds after shutting the engine off. My MAP reading is 17 inHg at idle which I believe is a little high? My long term fuel trim is -32.8%. I cleaned the MAP sensor ...
Question about Jeep Cars & Trucks
...nuts... fuel pressure wrong , out of spec. the FPR can fail here. my guess you did not read chapter 25? in the REAL BOOK ...
Fuel Rail Retaining Bolts 25 N.m 18 lb ft MITCHELL 1 ARTICLE - 2004 ENGINE Engine Mechanical - 1.6L (L91) - Aveo Page 1 of 330 http://www.eautorepair.net/app/PrintItems.asp?S0=2097152&S1=0&SG=
...fuel pressure on my 04 deville well depends on the engine option on most cars. about 1/2 the cars made have the fuel test port on the rail. (others a plug and you get to buy one) many finer cars have ...
...fuel pressure tested. And to be sure it's not a fuel problem, test the pressure after the engine shuts off on its own. If fuel pressure is still at spec, it is likely an ignition ...
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