Question about 1988 Toyota 4Runner

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88 toyota, 3.0 engine

Engine lopes, has no power when accelerating

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  • jbrooks502 Oct 06, 2008

    I was thinking the same thing, this just helped affirm that. Thanks.

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  • Toyota Master
  • 1,861 Answers

More likely than not, your timing belt may have jumped a tooth.

Posted on Oct 06, 2008

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1 Answer

22re starts good but 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 time..... (ive even programmed Megasquirts to do this)
first the rules then causes.
Rule 1, The EFI controls idle at all times. so that proves.
Macro reasons.
1: EFI lost control. (stuck ISC?)
2: Engine is missiing (too rich, too lean or never tuned up)
3: or both, usually #2 causes 1 ,

there are ways to solve this riddle
my ways are simple
i test the ISC, see if it works, (unplug it or power it with 12v power supply, ) Id clean the ISC first.

this old car 1992 , scan tools are hard to find for OBD1 cars.
so cant look to see if CLosed loop is working, I can with a scope
but you dont have a scope.
you could put in the diagnostic check jumper and hope for an error code to flash out.
you can look as spark plugs (newones work wonder) and see
if its burning fuel correctly (like old school carb days)
black?> white tips>
all engine carbs and EFI all will surge when lean,.
all, and on EFI it will in fact try to stop the surge,
if lean enough the EFI can actually make the surge worse
is it tries desperately to correct the impossible.@!

that be surge.
i learnd that loping my mule one day.. LOL

Jan 21, 2014 | 1992 Toyota Pickup

1 Answer

Loping engine


Try cleaning the mass air flow meter. There;s a spray cleaner you can get at an auto parts store

Jan 14, 2013 | 1993 Pontiac Bonneville

1 Answer

Engine lopes at low acceleration


try pluging egr vacume hose fixed my problem also loped when going down road at steady speed. hope this helps

May 04, 2012 | 1995 GMC Sierra

1 Answer

Engine lopes whan accelerator is pushed,poor gas


WEAK FUEL PUMP OR STOP UP FUEL FILTER.RESTRICTED EXHAUST LIKE STOPPED UP MUFFLER OR CATALYTIC CONVERTER.LOW ENGINE COMPRESSION.VACUUM LEAKS IN THE INTAKE MANIFOLD.BAD PLUGS.WEAK SPARK OR IGNITION .

Jun 05, 2010 | Ford F-250 Cars & Trucks

3 Answers

1994 toyota 4x4 22re loses power when you push gas pedal or going up hill and the valves start to rattle then


I suspect your ignition timing is too advanced and the rattling sound is actually detonation (VERY VERY bad for your engine). Have your ignition timing set and your valves adjusted.

Apr 10, 2010 | 1994 Toyota Pickup

1 Answer

88 Toyota 4Runner- trouble accerlerating, died in transit


I think you need to have it looked at by a local mechanic. By what you describe it sounds like your engine could be severely damaged.

May 18, 2009 | 1988 Toyota 4Runner

1 Answer

Hesitation problems and engine loping at idle


try timing i set mine at 4 degrees btc,dont forget to unhook your distributor bypass located behind your distributor

Mar 25, 2009 | 1988 Chevrolet C1500

2 Answers

88 toyota has little power when gas is pressed


your engine seems to be running rich. that may be do to a bad spark plug, spark plug wire, bad distributor cap. If you have a 22re you should check for trouble codes by jumping TE1 and E1.
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You should also check your engine timing. With a timing light. The timing marks are located on or above the oil pump. keep in mind in order to get timing right you must have TE1 and E1 jumped. Set to 5 degrees advanced. If your engine is improperly timed it will accelerate slowly, and get worse mileage.

Also adjust/Check engine valves appropriately. they will cause low power.

Also does it misfire at idle?

Oct 22, 2008 | 1988 Toyota Pickup

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