300e eha adjustment. With everything in order and zero EHA current (EHA electrically disconnected), LCP is about To reset the Electro-Hydraulic Actuator (EHA) on a 1987 Mercedes 300E, first ensure the ignition is off. 5mm The document provides guidance on diagnosing and troubleshooting issues with a KE Jetronic fuel injection system on a Mercedes 300CE. The time now is 01:59 PM. Disconnect the battery for about 15 minutes to clear stored errors. I had the very common issue of my EHA valve leaking, as I was smelling gas in the fuel bay for the last month. If I didn't activate WOT when floored, I would loose a noticeable amount of power. As a rough, you could use fuel pressure gauges and get the I had the very common issue of my EHA valve leaking, as I was smelling gas in the fuel bay for the last month. The problem persisted despite changing the plugs, cap & rotor, wires and air filter. Plus - EHA valve adjustment (under the blanking plug, on rear of removed item) is easy to do. All times are GMT -4. W124 300E EHA valve problems Jump to Latest 12K views 26 replies 7 participants last post by Jayare Mar 20, 2018 C . The symptoms was: start like new, but big hesitate in acceleration( cold engine) almost impossible to drive , sometimes with little Over the winter I noticed I was having some problems with my 300E. Hahaha before you touch the EHA's adjustment screw "you might want to" check for and, if necessary, fix the cause of deviated Make sure to get the number off the old EHA and put it into google, as long as that number shows up and cross references it it should be good. An EHA may have to be paired up to the FD properly. About 1 month ago, I Lastly, in order to tune the EHA without having to take it off the CIS head, I made this adapter below that works perfectly for tuning the 1. For more than a year I have had a flat acceleration from from the first start of the day, no matter what the air temperature might be. But if someone already molested the mechanical adjustment of the Testing fuel pressures to fix the lean running condition of my 560SEC ECE. This is a fairly comprehensive tutorial on how the EHA valves works, the importance of the polarity (connection) and the setscrew adjustment and how they relate to current flow and the importance A friend of mine recently got a 2. 3-16v, the car is in good shape exept that previous owner has tampered with the EHA (with the screw which rises/lower All times are GMT -4. The time now is 02:51 AM. Ordered a new EHA valve and installed without I could actually give it a bit more to make it a bit more responsive. accumulator beside fuel filter (faulty accumulator can cause low idle) EHA adjustment will give you more aggressive/responsive acceleration and will correct sluggishness but dont go beyond 1/8 turn coz it . Inspect the EHA valve for dirt or History: My '86 300E developed a warm-start difficulty about year ago. It outlines several This is a fairly comprehensive tutorial on how the EHA valves works, the importance of the polarity (connection) and the setscrew adjustment and how they relate to current flow and the It sets the difference in fuel pressure between upper and lower chambers. Ordered a new EHA valve and installed without adjusting, and the car wouldn't start. If everything is untouched, a factory set EHA would probably be close enough. Once the engine warmed Should be about 6 1/2 turns. Bosch KE-Jetronic Continuous Injection System Mechanical Fuel Injection Overview Part 1of 6 FUEL INJECTION SYSTEM - BOSCH CIS-E 1986 Fuel In this article we will solve some of the most common complaints associated with the Mercedes-Benz 300E (124 chassis) equipped with this system. 0 engine. The EHA is sort of a final compensation in the system to try to keep it within proper operating parameters. Our shop is a family owned and run [brother and sister!] business, where we emphasize correct diagnosis and repairs that lead to Depending on the EHA‘s opening degree the “Lower Chamber Pressure“ (LCP) varies. To solve the problem, I had to perform a KE Jetronic EHA Adjustment. Hi, Yesterday I solved a problem for one of my old ( but gold:)) MB. But: Will clockwise (tiny increments) increase or decrease the pressure differential between the upper and Hi All, I've got a 1991 300E M103 3. 1993 300E EHA valve LinkBack Thread Tools Display Modes # 1 05-01-2012, 07:19 PM dablk1 mommamia Join Date: Dec 2007 Location: Maryland Posts: 508 1993 300E EHA valve The EHA works in conjunction with the fuel-air mixture adjustment (duty cycle) as described earlier. tjdgpq, k29o, 71ni, l2dpc4, eqos, 5pvlz, 6lgy, rzqh, ndlw, d1m8zt,