Question about Cars & Trucks
Try spark plug wires.. Pull off one spark plug wire at a time to see which cylinder is not firing. When you find one not firing change the wire to another plug.. both ends dist and plug end. If problems travels to new location the plug wire is at fault. if it does not travel there is something wrong with that cylinder. Could be something as simple as a fuel filter. R22 is one of the best engines ever.
Posted on May 13, 2014
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Posted on Jan 02, 2017
SOURCE: 1994 Toyota Truck 22R Engine
Saw your post on another thread. I have the same truck. The fuel filter is located on the rail just below the passenger door. Its an easy one to remove,...couple bolts, but access to it is a pain.
Posted on Aug 11, 2008
SOURCE: 1985 Toyota Pickup 22R
When the engine is running ragged, place your hand over the opening of the carburator. If the idle smooths out, you have a vacuum leak somewhere on the intake system; it could be the base gasket for the carb, the intake manifold gasket, or a broken vacuum line, or a combination of that. What you have is too much air getting into the engine, but the air is not going thru the carb. Please check for vacuum leaks, you can use a can of carb cleaner, spray the intake manifold, if the idle smooths up, that would be a good place to start.
Posted on Oct 10, 2008
Could be a throttle position sensor going bad or a loose or leaking vacumm line or loose or worn wiring harness. You had mentioned the engine starts heating up. Do you mean overheating or operating above normal temperature? Sounds like a vacumm issue with the fluctuating idle. Check for worn vacumm lines and check to see if the vacumm is functioning. Sometimes a simple vacumm line with a loose connection or a small hole in it can affect your idle. Old lines are easily replaceable and an inexpensive place to start, then try your egr valve, pcv valve, brake booster vacumm line, oxygen sensor could be worn and affecting the mapping of fuel and air on the computer. Usually the check engine light will come on in this case.
Posted on Apr 18, 2009
SOURCE: toyota 22r runs rough
Find the EGR valve and underneath the valve there are holes, with the engine running try to open the valve by using a scredriver, the engine should die. do it a few times to clean the valve.
Posted on Apr 30, 2009
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