I have an 87 2wd 22r carbuerated that recently had a replaced carb, egr vavle and timing chain along with genuine toyota oil filter and new oil. It is the 4 cyclinder model and an automatic. i drive on average 4 days a week mostly in town. I usually get roughly 13 mpg.. should this be that low even for the 4 cyclinder carb model or is there still problems causing the bad mileage??
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Re: Is Age associated with really bad gas mileage?
Well to me that is not very good mileage . have you had the vehicle long ? also did it get better mileage when it was newer ? how about plugs wires etc what has been changed and tuned up ? I would think it would get better than that alot of bigger pickups get that good or better.hows your driving habits ? Jerry
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Check the timing chain. Some times the chain will shift with worn teeth and get out of synch. This will cause the engine to lose power and back fire. Sometimes with a flame through the carb. I did that one once. Easy fix if it is the problem.
I am original owner of 1986Toyota Pickup 2wd caRB. 4SP MAN. SHORT BASE MFG.IN JAPAN. I NEVER HAD ANY PROBLEMS WITH ANYTHING UNDER THE HOOD OR IDLE OR ACELLERATION. iT RUNS JUST LIKE THE DAY i BOUGHT IT IN oCT. 1986. i NEVER ADJUSTED CARB OR CHOKE OR CLEANED IT iT HAS ALL ORIGNIAL PARTS EXCEPTTHE STARTER, BATTERY AND WATER PUMP GASKET.
mcdevito75 here, I think you mean the acclerator pump in the carb, here"s how to check it, Operate the gas pedal linkage from the carb itself and at same time look into carb. see a straem of gas each timeyou operate the gas pedal linkage, if not check for fuel at the carb. You could also have a dirty gas filter or a problem with the ignition system, check for spark at plugs.
Wont start? Have someone get in the car and turn the key to the on position,At this time you need to be back near the gas tank to listen for the electric fuel pump to turn on .Repeat turning key switch on and off a few times to be sure you hear the slight BUZZ sound turning on and off .If you dont hear anything then your fuel pump is bad.Fuel pump and timing chain almost never go bad at the exact same time.Your shop is probably scamming you to replace the timing chain...although mileage wise it should be changed soon.Dont crawl under car ,open gas tank cap and put your ear near opening.
I'm having the same problem with my 90 2.3L Ranger. I replaced the EGR Valve back in August and the truck ran fine (but the gas mileage was bad) until late December . I knew it needed an O2 Sensor back in August but didn't replace it until last Saturday along with the Idle Air Control Valve, Plugs and Wires. The truck ran fine for a couple minutes then started running like a VW bug! My code reader is now throwing out an EGR failure code, so I guess i'll take the 4 month EGR back and get a new one, and see what that does!