engine stops with climbing a hill

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Dumindu
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engine stops with climbing a hill

Post by Dumindu » Tue Aug 07, 2018 10:52 am

My car is a Toyota Tercel 1987 4WD 1452CC DX Wagon.

Car engine was newly repaired. Then there was a white smoke emission. It was corrected after head gasket re-installation.

Now there is no white smoke. Engine sound is also good.

But the problem is engine stops when climbing even a minute angle. When idling there is no such a stop.

Also there is a spitting through the carb when climbing.

What could be the problem?

Additional Data:
  • 1
Timing was set that the rotating piece in the distributer is on the cut in the distributer assembly when the cam pulley hole is on the middle mark and the cut in the crankshaft-alternator pulley on the 20 (not the 0) mark of the cover.
  • 2
Exhaust and intake manifold gaskets are properly sealed.
Last edited by Dumindu on Thu Aug 09, 2018 10:50 am, edited 2 times in total.

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dlb
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Re: engine stops with climbing a hill

Post by dlb » Tue Aug 07, 2018 5:41 pm

First thing I would check the fuel level in the carb. If the bowl is low, it can cause the engine to cut out on corners. I've never heard of it occurring on hills but it's the same idea so I'd look there.

Park the car on level ground. Remove the air filter housing. On the front of the carb, part way down the carb body, is a small window. It will probably be very dirty so you will need to wipe it clean to see the fuel level in there. The fuel level should be in the middle of the glass. If you cannot see the fuel level, rock the car from side to side and watch for the fuel sloshing around in there.

If you still can't see it, try parking the car pointing downhill and check again.

Good luck!

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Petros
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Re: engine stops with climbing a hill

Post by Petros » Tue Aug 07, 2018 7:28 pm

could be fuel starvation caused by partially blocked fuel filter, clean it out, or replace it. or could be cracked or leaky fuel line up stream of the fuel pump (the part of the line under vacuum). A leak or crack may not show leaking fuel but allows air to get sucked into the fuel line, causing fuel starvation.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)

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Dumindu
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Re: engine stops with climbing a hill

Post by Dumindu » Tue Aug 07, 2018 8:52 pm

Fuel level on the car is at the bottom level of the window. As you said, it is not in the middle level of the window.
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Petros
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Re: engine stops with climbing a hill

Post by Petros » Tue Aug 07, 2018 11:05 pm

yes, it is fuel starved. several problems can cause it, bad fuel pump, leaky fuel line, blocked fuel filter, clogged screen on the pickup in the fuel tank. systematically check each item, and than fix it.

Fuel filters are cheap, could replace that if it needs one anyway.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)

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Dumindu
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Re: engine stops with climbing a hill

Post by Dumindu » Wed Aug 08, 2018 10:13 am

Thank you for your valuable advice.

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xirdneh
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Re: engine stops with climbing a hill

Post by xirdneh » Thu Aug 09, 2018 12:11 am

did the engine idle nice and sound smooth when revved before you did the headgasket?
does it idle nice and sound smooth when revved now?
if it is not nice and smooth i would look at timing again (dist rotor should point northwest when 1st piston is on top of power stroke. that means piston is at highest point and the valves are closed)
did carb get flipped upside down while doing the headgasket?
if it ran fine before the headgasket fix i would assume the fuel pump and filter and gas tank filter are ok
Love those Tercell 4x4 wagons but they sure suffer from road noise.

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Dumindu
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Re: engine stops with climbing a hill

Post by Dumindu » Thu Aug 09, 2018 10:31 am

I replaced a fuel filter with a new. Now the fuel level of the carb at the middle of the window.

But the problem still exists.

Before the head gasket re-install the engine sound was somewhat like that of a old tipper. But there wasnt a spitting through carb (backfire). Before I didnt checked the climbing.

Now the engine sound is so smooth. Now its likes that of a car.

While the head gasket was re-installing, disassembled manifold part with carburetor was placed at a room. As I can remember its position was altered to scratch corrosion on exhaust manifold. I applied anti-corrosive paint on it and exposed to sunlight in different angles. So the carburetor position regularly changed.

I illustrated the present timing adjustment as below.
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dlb
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Re: engine stops with climbing a hill

Post by dlb » Thu Aug 09, 2018 3:30 pm

I just realized you have the timing set to 20* BTDC. That's much too far, and could be the cause of your problem. Use a timing light to set it correctly -- 5* BTDC is stock, some here prefer it at 10* BTDC. Either should be fine. But remember, the vacuum advance hose must be disconnected and plugged when you set the timing.

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Petros
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Re: engine stops with climbing a hill

Post by Petros » Thu Aug 09, 2018 5:23 pm

I do not recall a cut on the ac pulley, it is on the inner most pulley next to the markings on the timing cover. makes sure you are using the correct mark (you can verify the correct mark by pulling the #1 spark plug and set piston to top position you can see it through the spark plug hole with a flash light). than check the timing mark on the pulley, should be at "0".

the spitting out the carb could be an indication of incorrect timing, or spark plug wires installed incorrectly, verify wires go to correct spark plugs. Try and borrow or rent a timing light to properly set your timing at 10 deg BTDC. with the vac advanced on the distributor disconnected (and capped off).
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)

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Dumindu
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Posts: 56
Joined: Wed Aug 02, 2017 12:34 pm
My tercel:: 1987 Toyota tercle 4wd DX Wagon 1452CC
Location: Dumindu Mahawela
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Re: engine stops with climbing a hill

Post by Dumindu » Fri Aug 10, 2018 1:28 am

I did changed the timing to the "10" mark. Still problem present. Now even with paddling the accelerator, spitting occurs. even with a slight advance engine stops. But this doesn't happens with the reverse gear.

Additional data:

1. I have checked the valves before head gasket installation. 2 valves did seal only when strong push applies. Others seals even without any hand push.

2. Initial bad engine repair was done by a mechanic. Engine was newly bored. I am trying to do the climbing before the bores are tempered.

3. When the initial repair is being done, clutch cable was removed and reconnected. Now the gears can be changed even without compressing the clutch. It seems clutch cable tension inappropriate.

4. PCV valve grommet is loosened.

5. A brand-new Taiwan carburetor is installed after the initial engine repair. That carburetor totally resemble the old one (outer look). Carburetor gasket was sealed with grease. Not with a gum.

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Petros
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Re: engine stops with climbing a hill

Post by Petros » Mon Aug 13, 2018 8:51 pm

a quick test to see if uneven power from each cyclinder is the drop down test. set idle a bit high at 1000 rpm, than inturn pull each spark plug wire (careful not to get zapped), should drop idle the same amount as you pull each spark plug wire, one at a time. if pulling a spark plug wire resuts in no change in idle speed, that cylinder is not producing power. that could be bad wire or spark plug, head gasket leak, valves or rings leakig badly, bad vacuum leak in manifold that cuases lean mixture.

if all drop the same amount, that would rule out a lot of possible issues. it would man power is down on all four cyclinders, so either spark or fuel supply weak.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)

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