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1989 240DL wagon w/B230F engine, LH 2.4 Jetronic. 167K miles
Getting (2) Engine codes: check injectors, compensating for rich or lean condition.
Fuel economy has dropped to about 21mpg driving very kindly in cold weather.
Work done to date: R&R radiator, R&R A/C compressor, new thermostat, timing belt at 107K, new tank fuel pump.
Although pricey (about $120 apiece) would it be worth replacing all four injectors (and maybe the cold start injector also) at this time if I plan to drive wagon into the ground and to improve fuel economy - I used to get 27mpg highway?
What other accessories/parts should I plan to replace as preventative measure to keep the car reliable? (eg. water pump, O2 sensor, wheel/drive shaft bearings, etc.)
Thanks to all in advance for any suggestions!!
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