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Questions tagged [timing]

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19 views

Pull start fuel injected motorcycle/car injured or not?

A lot of time I heard from some people that pull start fuel injected motorcycle or car injured engine by shifting the time of engine or confuse EMS(Engine Management System computer) because tires ...
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1answer
23 views

Kia Spectra 2008 LX timing belt

This car's maintenance history says it was serviced by Kia dealer at 70K in 2015. All other belts look new. When i opened the timing cover, belt looks like attached picture. Now it has 104K. Confused ...
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0answers
18 views

Obnoxious squealing when starting truck and when accelerating from a stop

My 2000 Mitsubishi Montero Sport LS 4x4 has been making a nasty squeal when starting it and when I accelerate from a stop. I'm not sure exactly what is causing it. The water pump, timing belt, and ...
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1answer
17 views

How to time a 2001 Saturn 2.2liter DOHC?

I had a weird problem. Drove the car two minutes up the street to a gas station to get air in the tires. It is literally two minutes. Car ran fine. No problem. I shut it off. Got out to pump the tires....
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0answers
19 views

Optimizing temperature and spark for horsepower

I recently completed a heads+cam project on my car to increase horsepower. I ended up falling about 50hp short of my goal, and am looking for every little knob I can turn to eek out that last little ...
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0answers
44 views

09 Citi golf 1.4i timing jumps around

I checked my timing but its not stable when i check it with the timing light, the v-notch is mark is jumping , a little bit in front of the mark then on the mark and then after the mark and carry on ...
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0answers
41 views

Making a Poor Man's Water Injection System

I was just reading this article on water injection systems and they made an interesting comment: Note that it has been suggested in some circles that the water can be directly added to the petrol ...
3
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1answer
91 views

Does the number of teeth on a reluctor wheel matter? (crank position)

A little background: I have a project car with an EFI system from 1985 where TDC is (apparently) measured by a little gear in the distributor. I'm slowly switching over to an aftermarket ECU that ...
1
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1answer
26 views

2002 Chrysler Voyager 2.4 L stopped running

I replaced the water pump, timing belt, timing idler pulley and tensioner pulley and all the belt on an 2002 Chrysler Voyager 2.4L (interference motor). It ran great for few day until a few days ago ...
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1answer
412 views

Timing chain issue

I'm working on a 2002 Ford Explorer XLT 4.0 2WD 6cyc SOHC gas And I just so happened to break the chain tensioner, yup. You heard it right. As if I didn't hit enough stripped bolts along the way. The ...
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0answers
409 views

What is normal timing advance as seen from my ECU via OBD2?

I am looking for help with my timing advance. I have just got the Torque app and am reading the data from my Ford Fiesta WS Petrol 1.6L 2010 model. This is the graph here. As you can see, RPM is ...
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2answers
92 views

Did my mechanic break my car?

I recently brought my car in for a 175k recommended maintenance (oil change) and when about to drive out of the dealer i heard a loud knocking sound from the engine. I asked them to keep the car and ...
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0answers
47 views

New plugs, but problems starting (not firing on all cylinders) and poor fuel economy?

Car is a '93 Mk1 VW Cabriolet, 1.8lt injected. The car has had trouble starting - feels like only some of the cylinders are firing. If I rev the engine a little the problem goes away after a few ...
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2answers
431 views

2011 f150 ecoboost timing chain and valve train

Looking to find the book rate for how many hours labour to change full timing set including vct's, chains and intake cams 3.5l ecoboost
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0answers
35 views

Wiring an advancer to an ignition coil

An image for reference: Ignition Coil Leftmost (1 pin) Advancer second from left (1 pin) Gearbox second from right (4 pin) Battery Rightmost (4 pin, Positive, negative and a loopback) I have ...
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0answers
861 views

Coleman ct100u engine, no start

Verified igniton system is good, cleaned and gapped plug. The engine is is essentially pushing out gas from the carb side and not wanting to start, I don’t know what else to add I’m not really ...
4
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1answer
197 views

98 Mazda 626 GF 2L ATX zero ignition timing at idle?

My 1998 Mazda 626 GF 2L ATX has zero ignition timing at idle when fully warmed up causing a rough idle condition. I've replaced the faulty O2 sensor with no effect on the retarded timing and replaced ...
2
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1answer
4k views

When to replace the timing belt on a 2015 VW Golf TDI

I own a VW Golf TDI 1.6 Mk7 (2015) Odometer: 82,000KM. I would like to know at what Odometer reading should I change the timing belt/chain.
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2answers
380 views

Motorcycle: fuel and spark but no ignition?

I inherited a '79 Yamaha XS400 (2 cylinder, 4 stroke, air cooled, SOHC, duel carburetors). The timing chain had broken so I replaced it, setting the timing at the same time. I cannot start it. The ...
2
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1answer
23 views

1992 Fox Body 5.0

My son has a 92 Fox Body Mustang with the 5.0 Ford engine. We’re having problems setting the timing. The timing marks for coming up underneath the car rather than on the timing gage. We pulled the ...
0
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1answer
240 views

What's the best approach to install new Timing Belt that's 1/2 a tooth off

Sherpa 1979 17v "o series" engine petrol 1700 Hi, Sometime back I replaced a new timing belt. Timing marks were lined up accurately only to find that the belt was 1/2 a tooth out. I figured this ...
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0answers
265 views

Slipped timing belt. Can hard cranking an engine with cam timing way off likely cause valve damage?

I have a 1979 Austin Sherpa with an "O Series" 1700 petrol engine. Engine was running great before I replaced exhaust/inlet manifold and an SU Carb. Then it just wouldn't start. The engine was ...
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0answers
299 views

2005 Chevy Classic (malibu) with loose timing chain/broken guide?

Heard a knocking noise I feared was rodknock. Took it to the mechanic and they spent an hour looking at it and said the timing chain is loose and the guide is broken and separated from the bracket. ...
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0answers
60 views

2007 MX-5 - Motor will not turn fully after timing change replacement

I recently replaced my timing chain, tensioners, guides, waterpump, etc. I felt like I followed the instructions properly. When I attempted to start the car once complete the engine would not turn ...
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3answers
3k views

Why would a PCM / ECU retard timing at idle?

I'd like to understand better the reasons that a PCM / ECU would decide to retard timing at idle. I'm aware of the following: knock noise similar to knocking picked up by the sensor a defective ...
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2answers
584 views

Oil Leak at Upper Timing Cover BMW X5 2008

I have a 2008 BMW X5 4.8i (V8 engine) with 85,000 miles. The car runs well, and it had no check engine light when we handed over the keys. I just took it to get it serviced at a BMW specialist ...
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1answer
60 views

proper time for changing timing belt

Is it recommended to wait until it reaches the recommended mileage before changing the timing belt even if it is already 3 or more years
1
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1answer
292 views

How is the timing belt changed on vehicles with no timing marks?

My mechanic was changing the timing on 2010 Hyundai Verna which has a 1.6 DOHC, the timing belt is attached to one cam gear and those cams are connected by a chain from the other end. While an ...
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0answers
782 views

Adjusting the timing of a distributorless Toyota 4E-FE engine

I have a 1998 Toyota Corolla complete with a 1.3 4E-FE engine. As far as I can tell this is the 2nd generation 4E-FE engine with a distributorless set up. I'm in the process of modifying the car as ...
1
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1answer
111 views

Timing issues in a MK 3 Volkswagen golf

My friend has a MK 2 Volkswagen golf with a MK 3 2.0L SOHC engine swapped in it and it runs of a charge distributor. He complains about having timing issues after a mechanic twisted his charge ...
3
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2answers
2k views

1600cc VW Aircooled Engine Backfires with no power when hot

I'm working on a custom built trike based on a 1600cc Air-cooled VW engine. I'm a specialist auto-electrician and these engines are a bit before my time so I'm struggling to work out what is wrong. ...
0
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1answer
38 views

Do ignition coils on small motors (lawn mowers etc) determine timing?

I have a Stihl weed whacker for which I haven't been able to find an appropriate ignition module (coil). I purchased one for a similar model that would fit and now the whacker has spark again, however ...
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0answers
49 views

Spark timing advances as engine gets hot

I bought a timing light to check my spark timing; my vehicle is a 93' Mazda Miata and I am rotating the Cam Angle Sensor to advance or retard my timing. When I first used my timing light the engine ...
6
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1answer
737 views

High vacuum pressure on idle after timing gear and chain replacement

I just got my 1980 Chrysler LeBaron 318 V8 back from the mechanic, who replaced the timing gears and chain, which were the originals and very worn. Soon after leaving the mechanic, I noticed my ...
1
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1answer
400 views

2004 Kia Sedona 160000 miles Timing Belt Replacement

I have a 2004 Kia Sedona LX with 160000 miles on it. I am going to be changing out the Timing Belt. It will be the Car's second one. What do you recommend I replace while I am inside? Water Pump? ...
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0answers
390 views

Timing chain cover gasket

I posted a few weeks ago about cooolant leaking from the timing chain cover of my 2002 Corolla: Corolla - Coolant leaking from timing chain cover I went ahead and started to do job: removing the ...
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0answers
870 views

Timing related on 2000 Ford Excursion 6.8 Liter V10

Kind of a lengthy question. I had to pull the cylinder heads in order to repair exhaust manifold bolts that were broken. Unfortunately, I was not able to do it from the wheel wells. Before starting ...
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0answers
96 views

honda accord 2000 lx valve chatter

Timing belt was replaced and now there is a noticeable valve noise at 1600-1900 RPM. No noise at idle. Once you hit 2000 RPM and above no noise. Power is good across RPM band. Checked valve ...
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2answers
297 views

How much can sub-optimal octane affect efficiency or power?

Suppose a production fuel-injected engine is tuned for 93 octane fuel. As I understand it, the engine can still run on lower-octane (i.e., less knock-resistant) fuel, but it will pull timing to avoid ...
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3answers
3k views

Strange noise from timing belt area

I just changed the timing belt and water pump on my 98 Mazda 626. After I got everything reassembled I started up the engine. I had been running the engine for a few minutes, revved it up to around ...
5
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1answer
2k views

Properly Aligning My Timing Marks

I've run into an interesting dilemma. I'm doing my timing belt / water pump on my 98 Mazda 626 2L and am at the point of putting the belt back on, but something has come up. I checked my timing ...
5
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2answers
7k views

how to determine TDC after bottom end rebuild

here is my question, i want to know how to find TDC on compression stroke, the only problem is how do you find it without the cams or valves(they would have been taken off and then put on again ...
3
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3answers
10k views

How do I determine if I am on 1 or 6 at TDC?

The crank has been turned since the timing gears were installed. The distributor is out of the engine. I still have to put the push rods in. How do I determine if I am on 1 or 6 at TDC?
8
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1answer
296 views

Why are these paint dots under the timing belt cover not consistent?

I am about midway done with changing the timing belt & water pump on my 1999 Toyota, which features a 6-cylinder 5VZ-FE engine. After getting the front timing cover off, I discovered that there ...
3
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1answer
2k views

97 manual ford ranger throwing a camshaft position sensor code

We've replaced the computer, sensor and timing belt(not sure of we did it right). Relays are good. Truck will fire, stay running for about 30 seconds then bog down & die
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2answers
5k views

Diesel engine timing?

A petrol engine can fire the spark plugs slightly earlier or later to account for factors like revolution speed and engine temperature. However a diesel only fires when the mixture is compressed. ...
3
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1answer
163 views

Subaru Forester - Timing Belt

I have a Subaru Forester X Limited AT 2000cc 2AB 2009. The timing belt requires replacement. My question is if the Gates TCK304 Timing Belt Component Kit, fits my Subaru?
4
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1answer
318 views

1997 Infiniti J30 is sometimes very slow to get power after a full stop, otherwise fine

My 1997 Infiniti J30 is sometimes very slow to get any power when I start going from a full stop. I can put the pedal to the floor, and it will slowly creep forward for 3-5 seconds, then suddenly ...
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0answers
506 views

Peugeot 207 gti depollution fault

Car starts rough but runs fine ,no loss of power. check engine light on and depollution system faulty on dash. Local garage scanned car and came up with camshaft sensor fault but they think timing ...
3
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1answer
48 views

Rover Mini Mayfair Auto 1990/H

When cranking, the engine turns and there is a spark....not strong. I can't find the timing mark through the circulled(rubber) hole, but the arrow shows on the cover. How can I freely turn (by hand) ...