Question about 1998 Isuzu Amigo

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1998 amigo timing 2.2 liter

I bought a used amigo with a check engine light on. The scanner indicated cam shaft position sensor. I though i would check the timing before buying parts. Where should the timing marks be on the timing belt?

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The timing marks on the cam shaft sprockets are easily to see when you get the timing cover off. When the two cam shafts are lined up (pretty much at the top), then the crank should be almost down at the bottom.
Get yourself a good shop repair manual - I got mine from E-Bay for less than $15.00 (used).
Also, if your going to change the timing belt, have the water pump replaces at the same time.

Posted on Dec 28, 2008

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  • Isuzu Master
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Which engine, we cant guess that.
2.2 or 3.2L or 3.5L?
why not log in to alldata.com and read both engine pages on belt.
its there.
if over 60k on belt its needs new one. the 2.2 is Interference engine
so ignore at your huge risk that belt.

sure the OBD2 monitor for CMP can be sensor bad
or belt loose, the error can be 1 in 10 pulses dropping out.
id be all over that belt.

there is no DIS ignition timing but you can still look to see if
spark is way off, and if it is, the cam did slip.
takes me like 5min to check with a strobe light(automotive timing light)

the engines use a HALL sensor, that almost never fails.
unlike the 2 wire coil type, that tune like a radio, 1930
why not remove the CMP and clean the crud off end.
this can make them 100% like new, just that, (like all VSS sensors)

why not post the real DTC errors. so we can judge, all errors.
P0341 or 42?

Posted on Jan 29, 2015

  • Juriy Hawrylak
    Juriy Hawrylak Jan 29, 2015

    post engine first, then all DTC's 2nd. we cant guess them.

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Do you line the arrow or the line up on the right cam

Posted on Jan 09, 2015

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CMP - Cam shaft Position Sensor


<p><b><span>3.2) <span> </span><u>CMP - Cam shaft Position </u>(sensor)<u> </u></span></b><br /> <p><b><u><br /></u></b><br /> <p><b><span>What is it?</span></b><span><span> </span>This electrical device is very similar in concept to the crank position sensor (above) in that it detects the position of the rotation of a shaft, in this instance the cam shaft.<span> </span>It is the cam shaft signal that indicates to the ECU that cylinder one is at top dead centre at compression and in the process provides the ECU with the timing reference for fuel injection.<span> </span>The cam shaft sensor provides extra information, to that of the crank sensor, to fine tune timed events such as injection and spark delivery.</span><br /> <p><span> </span><br /> <p><b><span>Where is it located?</span></b><span> The location of this device depends on the design and age of engine.<span> </span>On many modern overhead cam shaft engines the cam shaft sensor is located either on the end, or to the side of the end, of the cam shaft housing.<span> </span>On older pushrod engines the cam sensor is found where the distributor would once have been located.<span> </span>This type sensor assembly makes use of the distributor shaft meshing directly, at its bottom end, with a gear on the cam within the engine block.<span> </span>In this respect the distributor shaft is just an extension of the cam shaft.<span> </span>On the top end of this distributor shaft is a magnetic armature.<span> </span>The cam shaft sensor, that measures the movement of this armature, is located in the cover and uses either magnetic or 'Hall effect' pickup modules.<span> </span></span><br /> <p><b><span> </span></b><br /> <p><b><span>How does it work?</span></b><span><span> </span>The sensor detects the position of a magnet or set of teeth on the gear on the end of the cam.<span> </span>An electrical waveform output signal is sent to the ECU as the cam turns.<span> </span>The cam sensor tells the ECU that cylinder 1 is at TDC on its compression stroke prior to ignition. <span> </span>The cam sensor ensures the correct timing of the fuel injection cycle.<span> </span>If the timing belt ever jumps a tooth on the cam the lack of agreement between the respective signals from the cam and crank sensors is indicated as an error condition by the ECU. </span><br /> <p><b><u><span><span> </span></span></u></b><br /> <p><b><u><span>Symptoms of faulty cam sensor</span></u></b><br /> <p><b><span>Associated OBD2 error codes DTCs: <span> </span>P0341 - P0349; P1345</span></b><br /> <p><b><span> </span></b><br /> <ul> <li><b><span>Hesitant acceleration - </span></b><span>miss-timing of fuel injection due to a faulty CMP can cause intermittent loss of power.<b></b></span></li> <li><b><span>Starting difficulty/failure.<span> </span></span></b><span>If the faulty CMP timing problems are severe they may cause the engine not fire at all, or to fire and then stall, or stall at some random time without warning.<b></b></span></li> <li><b><span>Hot engine stall and failure to restart - </span></b><span>Sometimes the fault of the CSS only manifests itself when the engine is hot.<span> </span>Over time thermal stress can cause cracking and can weaken electrical junctions within the CMP.<span> </span>The CMP may work well at cold start up but can then cause a hot running engine to stop with little chance of restart whilst the engine is still hot;<span> </span>once cooled the down the engine may readily restart and again run for a limited period until hot.</span></li></ul> <p><b><u><span>Note </span></u></b><span>The cam sensor body often protrudes into the cam shaft gallery and when it's 'o' ring seal<span> </span>becomes age hardened, engine oil may leak back into the sensor electrical socket plug connector causing errors due to interruption of signal. </span><br /> <p><b><span> </span></b><br /> <p><b><span>How to check? </span></b><span>It is not technically<b> </b>easy<b> </b>to determine that the CMP is at fault and, like the crank sensor, may require the use of an oscilloscope.<span> </span>If it is part of a sophisticated on board diagnostics system its failure may be logged as a specific error code in the ECU. Due to the variability problems with engine running are often experienced well before any error codes are set by the ECU.</span><br /> <p><span> </span><br /> <p><span><span> </span>2 pin socket (magnetic - sine wave output).<span> </span>One pin is 'ground' the other is 'signal'.<span> </span>A voltmeter set to 2 volts AC should measure a signal in the 0.2 to 2 volts range on the 'signal' pin.</span><br /> <p><span><span> </span>3 pin socket (Hall effect, magneto - square wave form output).<span> </span>One pin is 'reference' (5volts), one pin is 'ground' and the third pin is 'signal'.<span> </span>A DC voltage should be detectable in the 0.5 to 1.5 volt range from the 'signal' pin.</span><br /> <p><span>It is important that the voltage measurement take place at start up when the engine is cold and again, 20 minutes later, when the engine has fully warmed up to operating temperature. Often the voltage output from faulty sensors declines with temperature rise.</span><br /> <p><span> </span><br /> <p><b><span>How to fix?<span> </span></span></b><span>If the CMP failure is due oil leakage into the electrical connector then a thorough clean and a renewal of the oil seal on the CMP may correct the situation.<span> </span>It can be a wise precaution to change the connecting cable as oil migration beneath the insulation may possibly contaminate components at some distance to the CMP.<span> </span></span><br /> <p><span>If the CMP has an internal fault then it must be replaced.</span><br />

on Jul 22, 2011 | Mercedes-Benz E-Class Cars & Trucks

1 Answer

1998 Ford Explorer. 4.0 liter. SOHC Good fuel pressure. & good fire on plugs. Changed crankshaft sensor . Still wont crank, No fuel is getting thru the Injectors.


check for a problem cam shaft censor as well as a crank position sensor as both are required to be operational for the ECM to start the engine

Jun 25, 2016 | 1998 Ford Explorer

1 Answer

98 isuzu amigo 2.2L 5sp 2wd new NGK plugs & wires, fuel assembly, rail test, code -cam pos sensor?? still bucks, lurches, can't get 2 4,000 rpm 2 reset pcm, WTF?? 120,000 odo. Help us pls sir.


2.2L gas 2.2-liter petrol (X22SE)
or 2.2L
2.2L (X22se/D) Engine???
there are 3 engines

i cant guess engines yet, "Carnac the mag." is off line.
all i can tell from above is engine misfires.
when did it last run ok,, last week , last year, or found car in a barn.
history matters.
why not connect any $10 to $100 scan tool and scan it
running,,, it will infact ,tell you things, errors,called, DTC errors.
and is key to any diagnose of any modern engine in USA>.
even in canada the tool works starting in 1998.

is cam belt fresh? and timed correctly?
AMIGO, 2.2L (1 of 3)

first learn what under the hood.

please post what 2.2L is there. and fuel type.
gas, diesel ,petrol, ect

Mar 15, 2016 | 1998 Isuzu Amigo

2 Answers

Pcm?


PCM= Powertrain Control Module. It is the brains of the car, it reads the sensor in put from all sensors including the cam shaft position sensor

May 14, 2014 | 2004 Toyota 4Runner

1 Answer

My 1998 Dodge Intrepid is starting & then stalling only after a few seconds. The engine light came on, & the code was P1391. Any ideas?


That code is indicating an intermittant crank shaft or cam shaft sensor fault. Because the engine is starting then stalling, check to see if you have spark after the stall. If spark is still present, you are probobley looking at a cam sensor circuit issue. The cam sensor controls the fuel injector pulse. If the cam sensor fails on a chrysler product, the fuel injectors will not function.

Nov 25, 2011 | 1998 Dodge Intrepid

1 Answer

HI. I'M HAVING SOME REAL DIFFICULTY WITH MY 99 ISUZU AMIGO 2.2L 5SPD 4CYL... I JUST HAD A NEW HEAD GASKET PUT ON, NEW AIR INTAKE MANIFOLD, NEW TIMING, NEW PLUGS AND WIRES, AND FLUIDS. MY CHECK ENGINE LIGHT...


This P0341 code basically means that the powertrain control module (PCM) detected a problem with the camshaft signal. The camshaft position sensor (CPS) sends a specific signal to the PCM for Top Dead Center on the compression stroke as well as signals indicating the position of the cam sensor. This is accomplished through a reluctor wheel attached to the camshaft that passes by the cam sensor. Any time that the signal to the PCM is inconsistent with what the signal should be, this code is set. NOTE: this code can also be set by extended cranking periods.

The repair is to first verify that the ignition timing is set correctly. based on your description, it sounds like the family mechanic screwed it up. Go find someone competent and get the timing verified to be correct. Timing that is WAY out of adjustment can also cause this problem.

Aug 14, 2010 | 1998 Isuzu Amigo

2 Answers

How to set timing on 1998 gmc sierra


The v-8's timing is supposed to be 0 degrees plus or minus 2 degrees and is only adjustable if you have a scanner. A timing light does not work on them.
These engines can be "timed" in the way you are used too.
The distibutor housing holds the cam sensor, The PCM calculates the timing by measuring the crank signal and the cam signal.

What you are seting by turning the distibutor housing is the correlation between the 2 sensors. On the V-6 model, the housing holddown bracket is fixed to the housing so if you return the rotor to the proper position when reinstalling the housing, the engine should be at the correct cam sensor position setting.they did not fix the holddown bracket to the V-8 models, it would have saved a lot of headaches.
To set the correlation between the 2, you will need a scan tool that can read camshaft position offset. With the engine RPM over 1200 adjust the offset too 0 degrees.
TEST PROCEDURE
The ignition timing cannot be adjusted. The distributor may need adjusting to prevent crossfire. To insure proper alignment of the distributor, perform the following:

With the ignition OFF, install a scan tool to the DLC.
Start the engine and bring to normal operating temperature. IMPORTANT: Cam ****** Offset reading will not be accurate below 1000 RPM.
Increase engine speed to 1000 RPM.
Monitor the Cam ****** Offset.
If the Cam ****** indicates a value of 0°+/-2°, the distributor is properly adjusted.
If the Cam ****** does not indicate 0°+/-2°, the distributor must be adjusted.

ADJUSTING PROCEDURE
With the engine OFF, slightly loosen the distributor hold down bolt. IMPORTANT: Cam ****** Offset reading will not be accurate below 1000 RPM.
Start the engine and raise engine speed to 1000 RPM.
Using a scan tool monitor Cam ****** Offset.
Rotate the distributor as follows:
4.1. To compensate for a negative reading, rotate the distributor in the counterclockwise direction.
4.2. To compensate for a positive reading, rotate the distributor in the clockwise direction.

Repeat step 4 until 0°+/-2°, is obtained.
Turn the ignition OFF.
Tighten the distributor hold-down bolt to 3 Nm (25 lb. ft.).
Start the engine, raise engine speed to 1000 RPM and recheck Camshaft ****** Offset.

Thank you for using fixya and good luck.

May 09, 2010 | 1998 GMC Sierra

4 Answers

1998 ford ranger obd code cam sensor miss fire monitor bought a a used motor 97 last year the assembly and sensor were missing so we used the one from old motor witch worked fine but now it is time to...


Please get a brand new sensor.

New parts are better than used/ old parts.

Visit www.repairpal.com (for estimates)

Visit http://www.autopartswarehouse.com/ (for genuine parts)

Good luck and remember to rate.

Sep 28, 2009 | Ford Ranger Cars & Trucks

2 Answers

Replacing a camshaft position sensor on a 1998 cutlass


The cam sensor is integrated with the crank shaft sensor behind the crank shaft pulley. The 3.1 runs 2 crank sensors. the one behind the crankshaft pulley in integrated to act as a cam sensor. It has 2 sets on rings for that sensor, 1 is in use accustomed for the fuel timing
Good luck and hope this helps friend. 

Jul 14, 2009 | 1998 Oldsmobile Cutlass

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