Question about 1998 Isuzu Rodeo

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No power, think its timing related

How does one check the timing on this engine with an inductive timing light?

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Check your catalytic converter and exhaust system for blockage, you cannot change timing on these engines apart from Cam Timing, this is usually achieved if a cam belt is broken and not replaced correctly.

Posted on Nov 25, 2008

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Ok my 2000 Yukon Denali will crank but won't start. I got the battery last year in JULY. What's wrong place help!!!


You need to do basic troubleshooting. Is Check engine light on? If so, have codes read. If not, see if you are getting spark to the plugs. Easy way is use your inductive timing light. Next, check for correct fuel pressure key on engine off. Most parts stores have a test gauge in their loan-a-tool program. Next, check that timing belt has not broken.

Jun 03, 2015 | Cars & Trucks

1 Answer

My son thinks his a mechanic experimenting ,place a fan as big as palm size in the air induction hose ,he start the escalade and test drive ,he heard a grinding and then knocking sound in the engine, then...


could be the oil pump has failed grinding sound then knocking sound could also be the timing is out or failing that something forren has got into the engine. check all these out and don't run the engine you are making the engine worse. if pump for the oil has gone and the engine has been run can mean a new engine. if timing belt has moved could be a new head will be needed. and pistons. failed oil pump does more damage in the long run as the hole engine needs oil.

Oct 11, 2013 | 2007 Cadillac Escalade Two-Wheel Drive

1 Answer

Whats the proplem ifthe spark plug is wet with petrol


If the plug is wet with fuel, it is an indication that the plug is not firing properly. Possible causes? Distributor cap, rotor, points/inductive pickup, spark plug wire or the spark plug itself. If you or a friend, relative, etc. has or has access to an inductive pickup timing light, connect the light to a power source and the inductive pickup to the plug wire of the "wet" spark plug. Start the engine and observe if the flash from the timing light is relatively constant in its frequency or is it erratic and sporadic. If the latter is true, check the distributor cap, rotor, distributor points/inductive pickup and plug wire. If the former is true, remove the spark plug and check the compression against other cylinders. If compression is good, replace the spark plug with a new one. If compression is lower than others, the air/fuel mixture in that cylinder is not being compressed engough for combustion, leaving the spark plug "wet". To learn the cause, put a teaspoon of motor oil in the spark plug hole, and recheck compression. If it doesn't increase, you probably have a valve or head gasket problem. If it does rise, you probably have a piston ring problem . Good luck

Oct 04, 2013 | 2006 Chevrolet Aveo

2 Answers

Starting problem


When engine is running, check for vacuum leaks on the induction mating surfaces and any vacuum lines, including the hose to the hrake booster system. Plus any emission related components as well.

Also check to make sure the fuel pump(s) are seeing full voltage if you did fuel pressure check and it seemed low and also check to make sure the pump(s) have clean and secure return leads (grounds)

Oct 06, 2012 | BMW Cars & Trucks

1 Answer

Engine shuts down


The only way to know for sure is to hook a gauge to the rail and check the fuel pressure when it won't start.
Sitting for a few minutes and restarting is normally a sign of a relay or coil cooling off.
There should be a EEC relay that powers the dist module and ECM.
I know you said you have spark, but it could be something else
related.
Also, if you have spark at the right time and no fuel pressure, you should be able to use starting fluid to substitute.
I don't suppose you have dual tanks and the switching valve is the problem ?

Jul 05, 2012 | Ford Cars & Trucks

2 Answers

When im driven then i brake and stop for a red light the car shakes.and it only does that when i stop


it may be engine related,such as tune up.do you have a check engine light on? vibration from a stop at red light indcates you have a miss in the engine, does it sputter going down the road?please be more specific with make,model,engine size. it does matter. sometimes a simple tune up repairs issues like you've described. if no check engine light on,you may only need plug wires and plugs or may be a broken vacum line to the engine. look for small vacum hoses that are broken or disconnected around the air induction system. or OLD SCHOOL. where the carb, used to be. thank you for choosing fixya.com

Sep 24, 2011 | Mazda MAZDASPEED6 Cars & Trucks

1 Answer

2004 sebring 143k miles stalls at lights and such only if its a long light though. no engine light is on. just replaced timing belt hot new tires and has regular oil changes.


well if the belt was installed one tooth off, that will surely make this problem relavent, have a mechanic scan the computer and check to see if the sensor values are within range, it might have a few bad sensors for the induction (air / fuel). also try cleaning out the throtlebody, and IAC
(Idle Air Control) sensor and port. but this problem could be anything from ignition to induction, and/ or the timming /Belt.

Jan 06, 2011 | 2004 Chrysler Sebring

1 Answer

My service engine light has been coming on for a while and now I was stopped at a light and my car killed the light Reduce engine power light came on what do you think it is?


reduce engine power message is related to your throttle system.the best way is to check first your throttle body if there is any blockage. also your intake system.

Jan 06, 2011 | 2004 GMC Envoy

1 Answer

Where are the timing marks on ford ascape 2001 v6 3.0


On the crankshaft:

Timing Lights There are two basic kinds of timing lights--DC powered timing lights, which operate from your vehicle's battery, and AC powered timing lights, which operate on 110 volt house current. Of the two, the DC light is preferable because it produces more light to see the timing marks in bright daylight. Regardless of what kind is used, the light normally connects in series with the No. 1 spark plug using an adapter. Models that are more expensive sometimes use an inductive pickup, which simply clamps around the plug wire and senses firing impulses. Inexpensive models use alligator clips; one clamps onto the connection between the plug and the plug wire, and the others clamp onto the vehicle battery terminals. NOTE: Some timing lights will not work on electronic ignition systems, so unless you still own a vehicle equipped with points, check to make sure the timing light you buy will work. The biggest problem you will probably have when using a timing light is trying to see the timing marks on the crankshaft pulley. Before you time the engine, mark the appropriate timing indicators with fluorescent paint or chalk. Stay out of direct sunlight when you time the engine and buy a timing light with a xenon light, not a neon light. Timing lights that use a xenon tube provide a much brighter flash than those that use a neon tube do. Fig. 1: A modern electronic timing light. Note the inductive pick-up clamp. 88521p22.jpg

Nov 12, 2010 | 2001 Ford Escape

1 Answer

Service engine light is on, and truck has no power going up the slightest grade, and is very sputtery. When going up a hill, the air conditiner stops blowing cool air, it's more like engine air, kind of...


When your vehicle has low power output it can mean several different things are occurring. You should know while your car has low performance it could be damaging components while you drive. Example: The emergency brake is on and you did not notice, this condition will burn up the rear brake pads or shoes and cause premature emergency brake failure. Or, the fuel filter is clogged causing thefuel pump to labor which can cause premature fuel pump failure. There are basically two kinds of low power conditions either the engine is running rough causing low power or the engine is running smoothly but still has low power. If the engine is running smoothly but has low power you are in the right place.
Step 1 - Scan for Trouble Codes - Check to see if the "service engine soon" light is on, if not continue to the next step. If the "check engine" (same thing as a service engine soon light, different manufacturers call it different things) light is illuminated you need to have the computer scanned for trouble codes. Use a simple scanner tool to retrieve trouble codes and check if they relate to the specific problem, like a fuel pump circuit failure code. If a trouble code is present but does not pertain to the immediate problem like an EVAP code ignore it until a later time, after the engine is running properly. The reason we repair non-related codes after the engine is running properly is because sometime false codes can be triggered by a poorly running engine. Once the engine is running properly the code present might cycle and turn itself off. You might say "if the engine isn't running right shouldn't it have a check engine light and a trouble code?" Sometimes conditions occur that will not be detected by the computer, example: if the intake or exhaust valve operation fails the computer cannot detect the failure because the problem is not sensor related, so the engine has no power and the computer thinks everything is ok with no codes. If the trouble code retrieved relates to a low power like a Mass Air Flow (MAF) sensor or ignition coil system failure repair these problems and re-test system. If no trouble codes are present proceed to the next step.
Step 2 - Check the Air Filter - A plugged air filter not allowing the proper amount of air into the engine. If air is not allowed to enter the engine's intake it will limit the engine power output. To check your engine air filter open the hood and remove the air filter from its housing and inspect, replace as needed and recheck.
  • Step 3 - Check the Fuel Filter - Several conditions can cause low power, one of the most common reasons is a clogged fuel filter not allowing the proper amount of fuel pressure and volume into the fuel injection system. To check for this condition remove the fuel filter and drain excess fuel from the filter, next wipe any excess fuel from the filter. By blowing through the filter you can determine if the filter is clogged, you should be able to blow through it very easily. If you cannot blow through it or it is difficult replace the fuel filter with a new unit and recheck system. Some fuel filters utilize a special release tool available at our tool store: Fuel filter release tool, if the fuel filter is ok proceed to the next step.
  • Step 4 - Check Fuel Pump Pressure and Pressure Regulator - Fuel pump is worn providing low fuel pressure to the fuel injection system. A fuel pump that is faltering providing low system fuel pressure/volume will cause low power. Your car's engine depends on constant fuel under pressure to supply the fuel injection system properly. Your car's fuel pump performs this action and is located in or near the gas tank. The injection system meters fuel through the injectors and into the engine. Many engine run drivability problems can be related to a weak or failing fuel pump. Problems can range from hard starting in the morning, low power and stalling while driving. Most vehicles have a fuel pressure test port somewhere on the fuel rail, use a flashlight to locate it on your engine or consult a repair manual. Also test the fuel pressure regulator performance; if the regulator is stuck or leaking the engine will not receive the additional fuel needed for power. If the fuel system pressure is ok proceed to the next step.
  • Step 5 - This step is for adjustable distributor type ignition systems only. If your car has a DIS (distributor-less ignition system) skip this step. Ignition timing is very important in achieving maximum power from your engine. If the timing is adjusted too far advanced or retarded (in front or behind the timing mark) in relationship to the engine crankshaft it will have low power output. To check your engines timing adjustment a timing light is needed. Once the timing light is hooked up to the battery locate the under hood emissions sticker that has the engine timing specification and instructions. If you can't find the under hood sticker or it is illegible consult a car repair manual. If the engine timing is ok proceed to the next step. If the engine timing is way off (20 degrees or more) check the timing belt or timing chain, the crankshaft camshaft correlation might be o

Jul 09, 2009 | 2001 Ford Expedition

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