Question about 1996 Land Rover Discovery

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After engine overhaul i cant get my vehicle to start,what is wrong with the timing?

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  • Land Rover Master
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180 degree out of time to where it is fireing on the wrong stroke

Posted on Mar 20, 2011

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Posted on Jan 02, 2017

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HOW DO I SHIFT MY 3L 1991 toyota hiace fuelpump for more horsepower for a faster takeoff


Clearly the engine isn't running right and whatever is wrong with it needs discovering and putting right and a fuel pressure and delivery test will be part of the diagnostic process.

It is possible, considering the age of the vehicle and the fact lots of things will have been disturbed during the engine overhaul, that some of the electrical/electronic connections could be less than perfect, sensors damaged or just plain old and vacuum pipes split or wrongly connected.

The big mistake with working on old vehicles is assuming any repair or replacement will be straightforward when that is far from the truth. Things on older vehicles take two to three times longer because you don't simply fit an item as much as build it in to the vehicle with a high degree of engineering skill.
Failure to take that approach results in an inferior, flawed and unreliable vehicle that just wasted a load of money.

Jan 02, 2017 | Toyota Cars & Trucks

1 Answer

I have overhauled engine for Isuzu bighorn 1998 petrol/gasoline engine. the 6VE1.timing belt is ok. Still it has a had start.


is this the Single head cam or twin version?
no photo of engine, so answers will be weak.

double posted. is this the single cam or twin cam engine?????? per side, the twin cam has 4 cams. 2 /bank.
i can not understand your questions, at all.
ok you overhauled the engine,
nor can i understand , still hard start.
does that mean it cranks slow and turn runs and drive perfectly ?
or cranks fast, but hard to start and runs perfectly?
or does that mean it cranks fast, starts, then misfires and runs crapppy-pappy?
hark, the devil really is in the details, no?

Generic answer.
all the wires and sensors , hoses not put back correctly.
oil full, coolant full, fresh gas in tank,
then you crank engine with no spark (I pull fuses)
and the crank it until oil pressure is good. yah, do that.

if really savvy, we check for top end oiling next. cranked only.


ok looks like oil pressure is good,(I don't want to wreck a new engine) (also check compression on a new engine, to see if we messed up., if not 150psi or more, you timed it wrong)



then we crank it, ok, it cranks and don't start
I check spark and it's timing using my timing light, it's wrong, i retime it, no and its ok. as is ..
ok sparks good, on all 6 cylinders. checked carefully and for static time.

so now start engine on test fuel,
if fails, see above for why.!
ok it runs for say 2-3 seconds and stalls. good.
We yell at the gas engine gods. O'BOY my engine seems to be OK ! progress....

next is fueling , ill stop now, as typing a book on fuel injection
is not easy here.
but fuel pressure is next. on all EFI engines. as is good fuel.
when did car last drive perfectly, 1 month ago,
10 years. what?
if long ago, the gas is bad. as are related parts all gunked up, like filters, and injectors.
and even the pump, or its sock packed in GUNK.
as you can see we have no history on the car, so.
really anything is possible. even vandalism.

btw we never just throw and engine in a car.
we check.:
1: compression, gee even sitting on a pallet.!
why install (6hr labor) a dead engine,?
2: then cranked oil pressure, spark/fuel off line.
same reasons.
3: then if all that is ok, I do check top end oiling now, if not any top end, the cams will not last very long. they will smoke and seize up in a flash.

this is how its done correctly, ask how.

Aug 20, 2016 | Isuzu Cars & Trucks

1 Answer

My 2002 Envoy started knocking on the way home and the oil pressure dropped om the gauge.


I wouldn't drive the vehicle till you find out what is wrong. Have you ever changed the oil and filter, plus, overall tune-up?
Is this high-mileage engine? You could use an analog gage in place of the oil pressure sending unit, just to double check the gage. If no oil pressure, could be the oil pump? If this is a high-mileage engine replacing the oil pump may not help. You may need an engine overhaul. Do you have any cylinder compression?
Because that knocking, hope you don't have internal engine damage?

Mar 12, 2016 | 2002 GMC Envoy

3 Answers

Setting timing marks to get vehicle to start after engine overhaul


Timing marks setting Corolla 4A-FE.
Align the notch on the crankshaft pulley with the "0" mark on the timing belt lower cover.
25679262-y0srr1ownybx5goll4rgvnpm-5-0.jpg

With the crankshaft pulley being aligned with the 0 mark on the timing belt cover, the hole on the camshaft sprocket should exactly be in front of the notch of camshaft bracket.


25679262-y0srr1ownybx5goll4rgvnpm-5-2.jpg
Hope that works.

May 04, 2015 | 1998 Toyota Corolla

1 Answer

Will temp sensor cause vehicle to lak power


The temp sensor could send the wrong signal to the computer, but the fuel mixture would be very rich or very lean at any speed.

Dec 25, 2012 | 1997 Isuzu Rodeo

1 Answer

Engine not starting after engine overhaul no spark and fuel injectors not putting petrol


Sounds like a immobilisor fault ,was battery left connected with the key in the ignition and the drivers door open??

Dec 10, 2012 | Hyundai Motor 1998 Sonata

1 Answer

Lack of power.


There can be many reasons but you can start up to check from the following tips.

If there has not been a full overhauling on the vehicle after it had clocked a high then the main moving parts must be checked one by one for any friction or wrong alignment.
Check the wheels the wheel bearings, the brakes, if holding on after being applied. Remove and reset.
Check the engine conditions, check the fuel settings, the timings, if the engine has clocked over 60000 then the timing belts must be changed. check/change the oils the fluids.
Make sure the engine is healthy with a good compression, good valve settings. good oil pressure.
The engine torque must come back once the trimming is done with a good calibration of the fuel settings.

Nov 23, 2010 | 1996 Ford F350 Crew Cab

1 Answer

Has been in storage 2yrs. Was put there do to engine smoting los of power what neads to be repaired?


I would have a mechanic look at it,there could be a number of things wrong with the vehicle. The engine may even need overhauled or replaced in a case like this,depending on what's wrong with it.

Oct 19, 2010 | 1992 Ford Escort 4 Door

1 Answer

When you give it some gas (when first starting) it jerks and loses power. I thought it would be the tranny wrong. Then I thought maybe the fuel pump wrong(had that replaced twice already) Thought just...


If the vehicle is an automatic and you start it and it jerks, there is something wrong with the transistor on the transmission which is somehow allowing it to engage a drive gear hence the losing power since the engine is trying to start while it is gear, cant turn over fully and fast enough to start with it in gear or slightly in gear. I would advise having a mechanic look at the transmission, might require an overhaul or just a transistor. Good Luck.

Dec 01, 2009 | 2000 Chevrolet Blazer

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