Questions & Answers for: Toyota engine is surging

1991 Toyota 4x4, 4 cyl. engine. Surges when coolant level is low, even though it has not yet heated up. Engine surges when coolant level is low, even though it has not heated up. Once coolant level is

...engine surging? Excuse my lack of car talk, but I don't know anything. My 1990 pickup's engine surges every time I'm its idleing. Its automatic 4cy 4WD. My regular mechanic can't figure it out. He ...

...on the highway. Is the check engine light on? A major cause of surging is either air leaks between the air flow meter and the engine intake manifold, or a bad or mis-adjusted throttle position

engine surges 1993 toyota sr5 22re engine surges when warmed up chk eng light on replace the o2 censor,located in header pipe exhaust.

surging that I can notice while I am driving. The check engine light just came on and the code indicates O2 sensors. I have ordered new Denso O2 sensors, both the upstream and the downstream. I do not

I have a 2008 Toyota Sienna. When idleing the engine seems to surge, not a drastic surge but noticeable. The tach doesn't surge along with the engine..i'm wondering what this could be.. iac idle air ...

...engine is surging between 500rpm to 1000rpm when idling. Recently put a carby kit through it as it was unable to idle below 1200rpm. Now can idle down to 900rpm but will drop wn to 500rpm then surge ...

97 toyota surges at an idle engine surges at idle and bogs until about 5 k rpms are reached ,if you push throttle to about passing gear than it takes off like a shot ,,how ever you can;t drive in town

...after a minute starts to lopes surge, lopes, hunts, all same. but does it do this hot/cold or both engine temps.????????? Im and expert on this.... done many and is related to EFI fuel controls big ...

my 1990 Toyota with a 22re engine surges while holding accelerator steady starts right up Fuel pump and/or pressure regulator is messed up - If gas flow is surging so will the engine. Right?