Question about 1989 Toyota Corolla 2 Door

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1989 toyota supra turbo 7mgte idles at 1700 RPM

I had a major overhaul recently done ... New timing belt - water pump, valve cover gasket - had oil leak replaced hoses, got new sparkplugs. Plus they tore into the car to find oil leaks - they also removed the assembly where the Air Mass contol unit sits and broke the boot. Replaced the boot. My car ran fine before I had the shop worked on it .. Obviously they don't know squat about supras.. I start the car and the idle speed revves up 10 1700 - 1800 rpm without me stepping on the accelerator .. I wonder if they messed up the idle speed controller. Need help with instructions on how to diagnose problem.

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  • Toyota Master
  • 9,324 Answers

Sounds like a vacuum leak. Make sure there are no ports open on the intake manifold that looks like a hose is missing.

Posted on Jun 27, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

michigan man
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SOURCE: engine idles rough, misses at 2500-3000 rpm's

i would first check the timing and if that does not fit i would take the cover back off and look at the belt for a bad or missing tooth

Posted on Feb 14, 2009

  • 6982 Answers

SOURCE: 1995 Toyota Previa idles too fast when engine is warm

check to see if there is any carbon on the throttle body where the butterfly contacts it. also clean the " business end" of the idle air valve to make sure it's not being held open slightly.

Posted on Feb 26, 2009

  • 12 Answers

SOURCE: 1989 Supra will not start, New battery. 5 Speed

starter isnt engaging, if you know where the starter is, tap on it with a hammer
1 person crank it over while the other person taps on it - its on the back of the engine

Posted on Jul 28, 2009

  • 1 Answer

SOURCE: I have 1995 toyota camry with 2.2 liter engine.I

I have the same car and the same problem. I can see the oil shooting out at the (upside down) rear, right side of the oil pan. This side of the oil pan is covered by a piece of plastic foam. There are no bolts on this side of the pan. Toyota recommends grey Formagaskit to seal the pan. The natural flow for this leak is all over the bell housing. The piece of plastic foam is attached to bell housing inspection cover. Good Luck!!!

Posted on Mar 21, 2010

  • 1 Answer

SOURCE: newly overhauled toyota corolla 2e engine emits black smoke

I have toyota corona 3s engine it smokes black and fuel consuption is high we have changed the engine oil and cylinderhead gassecate but still black smoke is comming what should i do

Posted on Mar 29, 2010

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I have a massive oil leak coming from my timing cover (or gasket) in my 2000 Toyota Camry. ( About 1/2 a quart for five minutes of idle) How much does this cost to repair and how did this happe


You have more problems than the timing cover. It sounds like your crank seal is gone, or you engine oil pump leaking. Your timing cover doesn't have oil in it. . Tell your 'Mechanic '' to take the timing cover off and see where it's coming from. And while you are there you should also change your water pump. They usually have about the same life span as the timing chain. Make sure you use all new gaskets O ring and seals. Let me know what it looks like after the cover is removed. You have to remove the valve cover on some toyotas to get at the cover. Hope this info helps keep me informed Cheers from Nova Scotia

Jan 13, 2013 | Toyota Camry Cars & Trucks

1 Answer

1989 toyota supra turbo 7mgte idles at 1700 RPM


Mass Air Flow sensor OK? right by boot. Check for clogs and dirt on pins

Apr 12, 2017 | 1989 Toyota Corolla 2 Door

1 Answer

Valve cover won't come off


Follow the detailed procedure mentioned in the link below to remove replace VALVE cover:----
Click the link below:---
VALVE COVER GASKET REMOVAL GUIDE http://technoanswers.blogspot.in/2012/06/valve-cover-gasket-removal-guide.html

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For more help on these issues,check the link below:---
Car oil leaks from valve cover gasket? http://schematicsdiagram.blogspot.com/2011/12/car-oil-leaks-from-valve-cover-gasket.html

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Lexus RX: Tapping noise under Valve Cover At Low RPM? http://technoanswers.blogspot.in/2012/04/lexus-rx-tapping-noise-under-valve.html
---------- How to replace Timing Belt,Water pump And Valve Guides on Mitsubishi Montero http://repairhelpcenter.blogspot.com/2012/10/how-to-replace-timing-beltwater-pump.html

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2000 Toyota Solara: Valve Cover Gasket Replacing? http://technoanswers.blogspot.in/2012/04/2000-toyota-solara-valve-cover-gasket.html

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Valve Cover Keeps Cracking? http://schematicsdiagram.blogspot.in/2012/04/valve-cover-keeps-cracking.html

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These details will help.
Thanks.

Nov 23, 2012 | 2006 Subaru Forester

1 Answer

1989 tercel major oil leak passanger side. how do i change the oil pump gasket? do i need to change timing belt too? N where is the unit located? is it under the cover between the valve cover and oil pan?


The oil pump is located under the black timing cover , however your leak is likely the lower main seal under that cover as well , your oil pump will be on the upper right side , you should replace them both and the timing belt while your there considering the cost of the parts , it is good insurance you wont lose your belt while you still own your car and have to go back in again , it is not hard to do just be patient , also when you loosen off your timing belt tensioner '' to remove the belt ''dont forget to re tension it after you replace it

Nov 28, 2010 | 1990 Toyota Tercel

1 Answer

Low idle (insted of high) when cold


i would get a compresion check .because it sounds like the head gasket is too thick, lowering the compresion would give the same results.but as its a simple check its the cheapest way to start.....

Mar 08, 2010 | 1989 Toyota Supra

2 Answers

Where are fuse located for air conditioning in a toyota supra 1989 ma70


for the air conditioner compressor, or the blower motor in the car? I have info on these cars as they are the only race cars that I build, and drive, currently have my own personal 89 7mgte with stock turbo.

Feb 02, 2010 | 1989 Toyota Supra

1 Answer

How do i install a t70 turbo to a 1987 toyota supra turbo 7mgte 3.0


you will need an additional turbo manifold. I have the correct one its for sale right now on eaby. The ct26 turbo manifold does not allow for proper mounting. I can include directions with the manifold

Dec 03, 2009 | 1987 Toyota Supra

1 Answer

Timing Dpecs for Toyota Supra 87 6 cylinder


1987 non-turbo: 10 deg Before Top Dead Center (BTDC) @700 rpm
1987 Turbo: 10 deg BTDC @650 rpm.

To set the timing, you will need to connect a jumper wire between terminals E1 and TE1 on the diagnostic terminal. This diagnostic terminal is located just aft of the engine compartment fuse box. It is a black plastic box marked "diagnostic" on the cover, which flips open to reveal the terminals inside. There is a diagram on the inside of the cover which explains the terminal positions. On the Turbo model, you need to remove the forward section of the engine cover to gain access to the number one spark plug wire.

Jul 25, 2009 | 1987 Toyota Supra

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