user9181
  • Member for 5 years, 1 month
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1 answers
2 votes
278 views
Occasional hard start possible causes?
6 votes

The fuel pump has a check valve inside to retain fuel rail pressure. If that valve fails, you have to crank the engine for around 5-10 seconds to refill the fuel line and rebuild pressure. You can ...

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1 answers
6 votes
171 views
What socket fits the Catalytic-converter-to-Exhaust-manifold stud?
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6 votes

It's called a double D or shock absorber socket

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1 answers
0 votes
96 views
How are new cars (with HO2Ss) affected by cold starts?
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4 votes

It's true that heated O2 sensors shorten the time the engine is in open loop. So the whole "wasting gas thing" while you wait for the engine to warm up isn't as big an issue. But there are many other ...

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1 answers
3 votes
162 views
Must a leaky tire plug be redone completely?
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4 votes

A tire plug is a TEMPORARY repair. Plugs are never designed to be permanent (although lots of people install a plug and never bother to have it repaired correctly--it's still not the right way to ...

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4 answers
3 votes
4k views
Troubleshooting dim HID headlights
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3 votes

HID bulbs don't dim over time like halogen bulbs simply because they don't have a filament. HID bulbs produce an arc. As a filament deteriorates, it deposits a metallic film inside the bulb. That's ...

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5 answers
15 votes
3k views
Cascading Repair Costs following Blown Head Gasket on a 2004 Subaru Outback
3 votes

The head gaskets on these engine are known failure items even without an overheat condition. The valve cover gasket leak is a given on Subaru boxer engines. They all need this. I'm suspicious of the ...

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2 answers
4 votes
910 views
My OBD 2 port is completely shredded, need help with wiring!
3 votes

D-GN Low Speed GMLAN Serial Data 2–3. Not Used BK Ground BK/WH Ground TN/BK High Speed GMLAN Serial Data (+) (1) 7–13. Not Used TN High Speed GMLAN Serial Data (-) (1) Not Used RD/WH Battery ...

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1 answers
0 votes
45 views
Grease added to windshield wiper arm by shop
2 votes

My guess is it's dielectric grease to prevent corrosion. Also, was there rust in the pivot area? Sometimes you add grease there to improve the pivot ability

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4 answers
1 votes
2k views
Shall I disconnect an EFB start/stop car battery before charging it?
2 votes

A battery charging protocol defines a certain voltage and amps for a certain period of time, then raising voltage but lowering amps until finally tapering volts to prevent battery plate overheating. ...

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4 answers
1 votes
2k views
Shall I disconnect an EFB start/stop car battery before charging it?
2 votes

In addition to limiting max voltage, EFB and AGM batteries require different recharging protocols. It's not like the old days. Now you must match the charger to the battery or you can damage the ...

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4 answers
1 votes
2k views
Shall I disconnect an EFB start/stop car battery before charging it?
2 votes

As long as the charger is rated for EFB, you don't have to worry about overcharging while in the vehicle. It's the older chargers that could output up to 18 volts that can fry electronics. Those ...

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1 answers
0 votes
39 views
How to diagnose potential damage done after driving for 6k with half the oil?
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2 votes

Short of partial disassembly to perform a bearing clearance test, there's nothing you can do now to determine engine condition. Increase oil and filter changes for the next six months. Then go back to ...

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1 answers
-1 votes
28 views
any obd dongle with the ability to stream live data ie CO2, HC and NOX?
2 votes

No vehicle has sensors for CO2, HC and NOX. That's measured at the tailpipe with a 5-gas analyzer.

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1 answers
2 votes
104 views
Can I apply new layers of cleat coat on top of old and what preparation steps are needed?
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2 votes

You'd have to lightly sand the clear coat so the new clear coat and adhere

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1 answers
0 votes
52 views
If ac gives rotten egg smell, does that mean there is an animal in the system?
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2 votes

Stinky AC is usually caused by mold buildup on the evaporator coil. Smells like sweaty gym socks. Some people say to spray Lysol into the HVAC system. That won't last. You really have to treat the ...

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1 answers
0 votes
291 views
How to diagnose/repair a leak where the brake line feeds the caliper
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2 votes

I'd replace the brake line at this point. Seems you've already wasted too much time and energy on the old one.

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1 answers
0 votes
44 views
Scuffing Sound From Front Left Brakes After Repair Work
2 votes

I bet the dust shield is bent and is touching the rotor. Run your hand around the shield. If it's touching the rotor, just bend it out slightly to see if the noise goes away.

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2 answers
0 votes
74 views
Oxygen Sensor Engine Light
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2 votes

If a code came up and you cleared it without fixing it, it will come back. Once you clear a code, the computer resets the Readiness monitors and start to conduct a new drive cycle test routine. Since ...

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1 answers
0 votes
738 views
Cannot operate car audio system, Only works in reverse gear
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2 votes

The radio has lost its IGN power input. Either blown fuse or broken connection. So it's getting power from the reverse trigger

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1 answers
0 votes
46 views
Why would overheating relays cause problems when trying to start a car?
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2 votes

Honda had a pretty big problem with their relays. Once the interior of the vehicle heated up, the small circuit board in the relay would expand and the tracings on the board would open enough to cause ...

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2 answers
0 votes
65 views
Ethanol or non-Ethanol?
2 votes

small engines don't need the extra octane and the extra octane won't produce any higher efficiency. However, non-ethanol gas doesn't attract water link ethanol gas, so it doesn't corrode the inside of ...

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2 answers
1 votes
203 views
Cranks but won't start
2 votes

The PGI main relay is a fairly common failure on these cars. They fail intermittently because of a fractured solder joint in the relay. The circuit boards expands and contracts and that causes an ...

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4 answers
3 votes
18k views
Trying to Understand Post Cat O2 Behaviour During a Misfire
2 votes

A cat converter is designed to store excess oxygen and use it to burn off excess fuel, oil, coolant that comes into the cat. If there's too much fuel coming into the cat, you wind up with a run away ...

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1 answers
0 votes
211 views
Idling a cold engine before driving away: contradictory advice
1 votes

#1 you have adequate oil pressure the instant the oil light goes out. So forget about the low oil pressure argument. It's baloney. What oil doesn't have when cold is great flow since it's so thick. ...

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3 answers
2 votes
4k views
How can I fix a mixed coolant problem?
1 votes

They can do a cooling system flush and it'll be fine. It takes a while for mixed coolant to do damage. You should be fine with a monday flush. Flushes run less tha $200.

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2 answers
1 votes
56 views
can too much antifreeze cause a p1281 code
1 votes

No. A P1281 code means the engine isn't reaching operating temp in the amount of time the ECM expects. Usually a bad thermostat.

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1 answers
0 votes
39 views
2002 VW Jetta TDI Starter replacement 4 times
1 votes

Damaged teeth on the flywheel will damage the starter drive gear. Fix is to replace the flywheel ring gear.

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2 answers
0 votes
34 views
98 Camry: Check Engine Light at 90K miles
1 votes

Many auto parts stores will read the trouble codes for free. They use inexpensive code readers that aren't capable of reading manufacturer-specific codes. But they're free. If you want to work on your ...

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2 answers
1 votes
281 views
Wrench light comes on but trips no codes. When this happens my reverse lights come on and stay on even in drive
1 votes

When a warning light comes on, there's a code stored in the computer....always. There are generic codes that inexpensive code readers can read and there are manufacturer specific codes that require ...

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1 answers
0 votes
51 views
Auto-Start Stop Question On 2017 Ford Escape
1 votes

stop/start will automatically shut down if the battery tests lower than spec. Get your battery tested.

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