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Won't start not unless pulled to 20mph and dump clutch. Then sluggish and misses sounds like it has low compression

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Then check compression. If it is low or 10 to 15 % between cylinders, Then I would check the timing belt/ chain. Could have skipped a tooth or two. The I would shut the valves by loosening the cams or rocker arms and do a leak down test. If the leak down didn't hold up. Replace the engine. If it did , go after the timing..

Posted on Dec 03, 2014


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Hs small miss or sluggish idle

Have you run compression test? Checked for clogged or leaky injectors? Not sure what you mean by "sluggish idle". 630 rpms seems about normal in park, fully warmed up. If this idle problem is in gear, you may have torque converter problem not cured by disabling lock up clutch. Broken or bent blades inside converter can exhibit strange symptoms.

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My 94 honda accord is dropping to the floor after about 4 pumps then I pull it back up with my foot and it has pressure again. It has a rough idle when I push the clutch in and has little power when...

I believe the two problems are unrelated. The clutch sounds like a bad master cylinder-an internal seal may be failing. Does it grind the gears, and difficulty shifting? If it's that bad, trey a new master cylinder.

Rough idle and low power-sounds like it is missing-one cylinder may not be contributing power. Pull the spark plugs and check them for proper gap and wear. If one appears different from the others, that may be the problem cylinder. If it is not firing, it may have black sooty deposits on the end of it. From unburned fuel in the cylinder. If you have a miss, check your secondary ignition: the spark plugs and plug wires and the distributor cap and the rotor. and the high tension wire from the coil to the top of the distributor cap. If all these are in good shape, do a compression test of the engine. This will tell you the internal mechanical condition of the engine. Good even compression on all cylinders is a healthy engine, and translates to good power output. Don't pay $150-200 for a test from a shop. Buy a compression test gauge for about $40 and learn how to do it yourself. It is quite easy. Here is one tip for starting: a compression test should be done with engine at normal operating temperature. Pulling a spark plug out of a hot aluminum cylinder head can strip the threads easy. While the engine is cold, loosen the spark plugs and then just tighten them back down a bit. Run the engine until it is hot. Now you can remove the plugs, without fear of ruining the threads. Proceed with the compression test. You tube or google for info on compression tests. Or a repair manual.

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Zafira 1.8 petrol 03 runs rough for 30/50 seconds when started then ok but a little sluggish

The "won't rev" part sounds like a preventative so you won't destroy the engine from cold start-up. The sluggish part sounds like bad fuel or spark plugs. Where do you buy your fuel and what octane is it? and have you Changed your plugs?

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How do i fix the low oil pressure issue im having. When i drive, the temp stays normal at 210 but when i idle, it goes up to 260. I was told the oil pressure is low and i needed a new engine

Your engine is overheating, which isn't directly related to oil pressure. I would take the S10 to a reputable/trusted mechanic and have him perform the following tests.
Compression Test Leak Down Test Coolant System Pressure Test Inspect Oil for Moisture (you can do this one, remove the dipstick, does the oil on it look like milk? If it looks like milk it means there is water/coolant in the oil, a sign of a blown head gasket. However not all head gaskets dump coolant into the oil when they blow) Inspect Clutch Fan for proper operation
The mechanic will know what those mean, It sounds like your head gaskets may be blown, which is why the engine would be overheating. Also if the Clutch Fan isn't working properly, it won't pull enough air through the radiator to keep the engine cool at an idle or while sitting still.
If the Head Gaskets are blown, it doesn't necessarily mean you need a new engine.
One other thing to note, when an engine overheats, the oil breaks down and no longer works as good as it used to.

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If clutch is dumped? do you mean if clutch is pumped? perhaps the slave cylinder for the clutch is leaking, causing low on fuid. Check level, blead if necessary. Most have vehicles must have clutch depressed to start vehicle. If the clutch pedal is not disengageing the clutch, it wouldn'tn start.

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air flow meter reader playing up ,try cleaning the sensor in the airflow tube with some easy start or brake and clutch cleaner

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Unfortunately you are going to need fairly major work. From the sound of it - the head gasket has gone - allowing the combustion gasses from one cylinder to get dumped into the oilways - pressurising your sump and probably spraying your engine bay with oil.
Being sluggish is lack of compression - because it is leaking internally - into the oilway.

It's quite a regular shop job, so get a few quotes before booking it in.

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1 Answer

Truck starts to lose power on the road

hello your truck seems to be loosing compression, you will needto take it in and get the compression ratio set.

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