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need timeing specs on toyota pick up truck r22
Problem for Toyota 1986 Pickup 4WD
1986 toyota 4runner fuel delivery
By john_gentle on Apr 15, 2009
I have a 1986 4runner with a 22re engine. The engine has just been rebuilt. The engine will not start, it has good spark, good compression and good fuel pressure. If i squirt fuel into the intake it will run until that is used up but something it prohibiting the injectors from firing. I have replaced the engine computer with a unit from a running vehicle.
Clarification Request
Posted by Toyota Guy on May 04, 2009
The 22re uses the pickup sensor inside the distrubtor to tell the engine it is rotating. If the air gap is incorrect it will not send the proper voltage to the ecm. The ecm uses this signal and transmit pulsed power to the in jectors and also power to the igniter controler.
the resistance across this sensor is 170-240 ohms. Also make sure your engine is in proper timing. Make sure that your air flow meter or air box connector is pluged in. The air box controls fuel pressure.
Also check your timing chain. Pull the valve cover off and make sure the timing chain is not damaged or streched. Some of the new chains are make in india and tend to be very weak. I had on brake only 1 hour of running. then i put in a lcengining dual chain on my 22re and have gone 55,000 mile no problem.
is your oxygen sensor hooked up properly i know it cause the engine to increase and decrease pulse rate of the injectors.
I hope this points you in the right direction. Chances are your orginial ecm is fine.
Posted by daves944 on Apr 15, 2009
You must make sure that the air intake hose is connected and sealed to the airflow meter or the computer will not know air is entering the engine and the injectors will not fire. This is an amazingly common problem that catches the best of us on these old bosch airflow systems.
Posted by bunnydawg on Apr 15, 2009
did that other vehicle have a 22re motor as well... same year... also check all your connections it sounds like you don't have something hooked up... especially check the crank and camshaft position sensors (if equipped)
Same Problem
May 08, 2009
- i have the exact same problem. this is the 3rd engine i have put in my 86 4runner and it wont start. i read your comments and changed the distributor,o2 sensor, fuelpressure regulator, fuel pressure damper (which now laeks) and made sure the air box wes hooked up, but after that i sprayed starting fluid in it and once it burned off it died. if it keeps this up it'll be full of .45 cal holes. - yota loverPopular Solutions for 1986 Toyota Pickup 4WD
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