Tonytaz Posted March 15, 2012 Share Posted March 15, 2012 I have a 1991manual honda accord and recently the check engine light has turn on. When the check engine light is on it won't let me switch gears pass 3500rmp. I turn on and off the car quick and the check engine light turn off and I could switch gears pass 3500rmp. Before I take it to a mechanic and waste a lot of money does anyone have an idea what could be the problem?? Link to comment Share on other sites More sharing options...
Raley Posted March 15, 2012 Share Posted March 15, 2012 Whats the code? What causes it to get a code? Its called limp mode. Link to comment Share on other sites More sharing options...
ahorner Posted March 17, 2012 Share Posted March 17, 2012 I just bought a '00 Accord (v-tec) and am getting the same thing except at 3k rpms. Pulled several codes: P0108 - MAP P0122 - TPS P1381 P1259 - Vtec P0420 - Catalyst system efficiency below threshold P1457 I reset them tonight and will check again when the CEL comes on again. Link to comment Share on other sites More sharing options...
ahorner Posted March 17, 2012 Share Posted March 17, 2012 I just bought a '00 Accord (v-tec) and am getting the same thing except at 3k rpms. Pulled several codes: P0108 - MAP P0122 - TPS P1381 P1259 - Vtec P0420 - Catalyst system efficiency below threshold P1457 I reset them tonight and will check again when the CEL comes on again. Cleared my codes and the problem went away! Link to comment Share on other sites More sharing options...
Honda333 Posted July 9, 2012 Share Posted July 9, 2012 Hi all, I have a 2001 Honda Accord V6 with roughly 128K miles. Recently I keep getting the code of P1259 01/01 (Fault: 01, Pend: 00). I've changed the oil and the oil levels have remainded at full. I have been using Full synethic since I bought the car new. Coolant level sits at correct level and has been changed about 6 months ago. I recently used Seafoam in the engine and gas after I first incurred the above code reading. I know the P-code is a V-TEC system fault which relates to oil pressure or Solenoid problems. Any further guidance you can assist me with? Thanks! Link to comment Share on other sites More sharing options...
Honda333 Posted July 9, 2012 Share Posted July 9, 2012 After some further research I have found that I may have to clean my VTEC Solenoid. Oil Sludge can build up on the screen of the solenoid causing lack of pressure to the unit. I have used a few engine oil and gas additive / cleaners in the past year or so which may have released carbon build up from the engine and was sucked into the VTEC solenoid. Stay tuned. http://www.bimmernut...utes-miles.html http://preludehaven....lenoid-cleaning Link to comment Share on other sites More sharing options...
Honda333 Posted July 12, 2012 Share Posted July 12, 2012 Finally found where Honda stached the Vtec Solenoid on the 5th Gen V6. It is by the front passenger side wheelwell right on top of the oil filter. All of the 4 cylinder engines had them up on top side of the engine with easy exposure. My question about the V6 vtec cleaning - Do I have to empty all the engine oil in order to take off the solenoid assembly for the screen cleaning? Link to comment Share on other sites More sharing options...
James Matteu Posted July 13, 2012 Share Posted July 13, 2012 That would be advisable. Do it during an oil change. BTW, you have a 6th Gen V6 not a 5th Gen. Link to comment Share on other sites More sharing options...
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