Warm up regulator adjustment


I have an 86 f150 302 and it would surge and die after warm up , I fitted a Innovate MTX-L wide-band air fuel gauge and what happens is the fuel mixture gets richer and richer (manifold heating up ) and it surges up and down and dies at around 10.9 A/F ratio. Warm up Regulator (rebuild and making adjustable) ... test it is determined that the warm-up regulator is at fault, you are faced with an alternative: replace it ... The fuel pressure regulator may be operating at too low a pressure. The Fix: Check fuel pressure with a fuel pressure gauge. Replace fuel pressure regulator. (This is not really a do-it-yourself kind of job, except for the most experienced of home mechanics.) The ignition timing may be set wrong. The Fix: Adjust the ignition timing. Now, look at your Warm Up Regulator. It has a bosch code, for example 0 438 140 068. The end number (068 in this case) is the number that gives us the intended calibration of the WUR. Now here are the calibration specs for each warm up regulator, straight from mercedes benz: Warm Up Regulator WUR rebuild kit. Image Manufacturer ... Buy Now Warm UP Regulator WUR repair kit. Rebuild kit for Bosch warm up regulator Read More: $49.95 Add To ...