I have a 1998 Nissan Patrol that had gas LPG gas fitted to it, it had been sitting around for a few years and I want to drain the old fuel but I can't see the drainage bung plug on the bottom of my ta

Marvin

• 85242 Answers
• Posted on May 02, 2009

SOURCE: Hello! I have problem with erratic

Is the EGR valve leaking, to check this feel the EGR valve at idle, it should not be hot, if it is the valve is leaking and should be replaced, the second common cause is intake manifold vacuum leaks, u can check this with a can of spray carburetor cleaner, if there is a leak the idle will change as u spray the area of the intake that has the leak, also look for split or loose vacuum hoses, then there is the fuel injectors, u could have one or more that are not spraying correctly from carbon or sludge on the injector tip, the dealer can run an injector flow test to determine if that is a problem, last is low cylinder compression or ignition problems, all cylinders should be within 5% of the highest reading, more than 5% and a rough "ratty" idle is the result. I am a tech of 35 years and this is the order i go in to find these types of problems.

SOURCE: 1992 nissan pathfinder fuel problem

I no what your problem is!! Your catalytic converter's are plugged!! Thats it brother! I had the same problem. Pull your 02 sensor's out on the manifold's and that will tell you if that's it. Let me no if this is it
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SOURCE: 1998 Nissan Versa Vanette Cargo 2.3 Diesel, Timing mark position at TDC (1) for mechanical fuel injector pump. (old head cracked new head is being fitted)

thew timing marks for vanette cargo are on the timing belt u carnt go wrong