All Questions
1,470 questions
3
votes
2
answers
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views
Purpose of camshaft position sensor (CMP) vs crankshaft position sensor (CKP) without VVT
On a vehicle with variable valve timing (VVT), the need for a camshaft position sensor (CMP) is obvious. However, on an older engine without VVT, what purpose does the CMP serve? The position of the ...
- 922
0
votes
1
answer
1k
views
2014 Chevy Cruze 1.4l turbo
coolant boiling out overflow after replacing water outlet, and thermostat.
Have no leaks even did a pressure test and used the spill free funnel to burp the system. Radiator fans will not come on and ...
2
votes
0
answers
263
views
injectors: CA and Fed types not interchangeable?
'07 Cobalt, 2.2L Ecotec; CA emissions spec (RPO L61)
I inadvertently tried to install a Fed-emissions spec injector in our CA-emissions engine. AFAICT, it would not seat properly in the intake ...
- 1,123
0
votes
1
answer
35
views
2003 Chevy Silverado
Why does my 2003 Chevy Silverado 2 door pickup LQ4 Vin U engine Why does my 2003 Chevy Silverado LQ4 engine have no compression in one cylinder
0
votes
1
answer
44
views
Rod broke piston's stock
I have a 2006 Chevy with a 6.0 and it broke a rod so I took a saw and cut the rod off the piston With the stuck piston is it OK to drive it still starts.
0
votes
2
answers
45
views
Engine won’t start
My 2003 suburban won’t start, I lifted my steaming wheel up and my whole truck turned off and when putting the key in the ignition and trying to start the truck the starter doesn’t even click. My dash ...
0
votes
2
answers
549
views
My Chevy Shows Fault p0420 DTC
I have Chevrolet Impala 2014 model. Recently my car showing dtc code 0420. I read
a article here . It describe that this is the fault related low catalyst system efficiency. I have tried every steps ...
- 1
-1
votes
2
answers
31
views
Can I Relocate The PCV Air Invlet Line from the Air Tube into the Air Box?
If I relocate the PCV valve line into the air box housing, will I gain engine performance and efficiency?
0
votes
0
answers
27
views
Cylinders compression
Hello I was doing a compression test on a2019 Chevy equinox thought it was da starter and battery cause the car was slowly turning over changed the spark plugs.scanned it and got a code of p0336,p0300,...
6
votes
1
answer
1k
views
Should misfire counts be zero?
'07 Cobalt LS, 2.2 L I-4
Car is not getting a misfire code. (p030x) However, the mode 6 data shows Non-zero "misfire counts" on all cylinders. The counts are single- or double-digits, and ...
- 1,123
1
vote
1
answer
35
views
2001 Chevrolet can’t remember the rest it a truck
Okay so when I went to crank the truck the lights where on but the moment I went to start it nothing evening went out change the battery still nothing can it be my alternator or something
2
votes
1
answer
46
views
What is this bolt/set of holes?
This skid plate(?) is underneath the transfer case (I think - about halfway back from the transmission, between the transmission and the differential) my 1997 Chevy Suburban K1500
Due to my brake ...
- 895
0
votes
1
answer
38
views
2016 Traverse-OBDII readiness check
My air conditioner does not come on because I have a pin hole in the rear line. Will this affect performing a cycle to get the sensors to read
- 1
0
votes
1
answer
487
views
Intake torque specs for 95 Chevrolet S10?
What are the torque specs for a 95 Chevrolet S10 4.3 vortec with intake number 10172785?
2
votes
1
answer
385
views
What could cause spongy brakes on a 1997 Chevy Suburban?
I had brake drums/rotors replaced, along with shoe adjusters in June 2021, and it's now 2023. Not sure how many miles we've put on them, but we've driven from Arkansas to Arizona, Montana, and more ...
- 895
3
votes
1
answer
326
views
What could cause drivers side brake drum wearing more than passenger side brake drum?
I have a 1997 Chevy Suburban and the brakes suddenly started feeling spongy (which is a different question) - I went through to inspect all my brakes and front brake pads look fine/reasonable wear, ...
- 895
1
vote
1
answer
921
views
Car running hot but not overheating
09 3.5L v6 chevy malibu running hot. Radiator is new. Pressure test came back fine, so no leaks. Disappearing coolant that's never visible on the ground. My temp hand will rise just about to H in a ...
- 11
0
votes
0
answers
38
views
6.5 gm diesel dies shortly after you start to drive it idles for a good 40 minutes
A buddy of mine has a 1999 6.5 turbo diesel it seems to lose fuel pressure in the filter cap an then stalls he also has the wastegate held open I figure the lack of power is due to the wastegate being ...
0
votes
1
answer
61
views
Replaced drivers side seat 2009 chevy malibu, new seat does not have side airbag
I have a 2009 chevy malibu with the collapsed driver seat. I replaced the seat with a very similar seat from a 2008 chevy malibu, it does not have the side airbag like the previous seat did so the ...
- 11
0
votes
1
answer
69
views
1995 Chevrolet engine swap
I have a 1995 Chevrolet c1500 4.3L. I’m in the process of swapping the engine out for a 1993 350 and I’m just trying to figure out what to do. I’m assuming I’ll need a new engine wiring harness for ...
0
votes
1
answer
351
views
2013 Malibu vacuum pump
I had a pretty substantial oil leak from behind my vacuum pump. I bought a seal and when I went to change it I found that the part that meets up to the camshaft was just broken into many pieces. I got ...
2
votes
1
answer
116
views
Rod knock disappears on engine warmup
I have something that sounds like rod knock on my '04 Chevy Silverado with a 4.8L V-8. The reason I think it's not really rod knock is cause it's worst when it's really cold outside (think sub-zero ...
- 21
2
votes
0
answers
3k
views
2004 chevy silverado battery goes dead. Might be instrument cluster. Pulling IPC/DIC fuse stops drain
I have a 2004 Chevy Silverado 1500. It won't start after sitting for a few days. I connected a amp meter in series with the battery and tested the parasitic current draw when everything is off and the ...
- 206
2
votes
0
answers
204
views
Piston slap in remanned engine ... is this normal?
Disappointed. I felt comfortable taking my truck there. Now I don’t know. My old engine in my 1998 5.7 Chevy truck Z71 was awesome and very quiet with a 129,000 miles until a hole rusted in the cast ...
user74815
1
vote
1
answer
54
views
ECU update rate?
('07 Cobalt LS, 2.2L Ecotec)
Using an OBDlink SX USB adapter and their OBDwiz app on an old laptop, I get the chart below. Engine is at steady (800 rpm?) idle, closed-loop. The displayed data has ...
- 1,123
3
votes
1
answer
127
views
I grabbed and used wrong oil on my 2014 Chevy Silverado
I put 0W30 in my 2014 Chevy Silverado instead of 0W20. Do I need to change the oil right away or will that be fine ... I live in Massachusetts if that matters.
2
votes
2
answers
183
views
How do I detach the connector from this headlight assembly to replace the bulb?
I want to replace a broken headlight bulb in a European 1999 Mazda MX-5 NB 1.6L (also known as a Miata mark II). How do I detach the power connector so that I can get to the light fixture?
The ...
- 141
0
votes
0
answers
59
views
Low coolant sensor light doesn't turn on
My '04 Chevy Silverado recently had a coolant leak, and I never received a warning light or dashboard message. I tried unplugging the sensor and still nothing showed up. I tried plugging into a new ...
- 21
0
votes
0
answers
29
views
Rough idle just at start
The engine on my '04 Chevy Silverado 1500 recently overheated. It now has a rough idle when I start it, which disappears almost completely once I drive it a bit and it gets warmed up. What could be ...
- 21
0
votes
1
answer
2k
views
O-ring on oil pickup tube
I have an 06 Silverado 5.3. The o-ring on the oil pickup tube has been going bad . I've been driving it with some ticking from the lifters which goes away after warmed up and pressure comes up. Until ...
- 1
0
votes
0
answers
142
views
Passat B6 FSI Light/Tail light/ Blinker Diagram
I own an 2006 Passat B6 FSI (150 hp) and I want to have a look on wiring diagram. For me is interesting to know voltage when:
Tail ligt is ON
Brake is pressed
Blinker is ON
And what happen when I ...
- 1
0
votes
0
answers
302
views
Propper heater hose routing
2008 Chevrolet Equinox with the 3.4 and the heater hoses were taken off. I am trying to hook up my heater hoses to the heater core at the firewall in the engine compartment. Somebody took them off and ...
0
votes
0
answers
20
views
Muffler recently replaced and is already cracked
I have a 05 cavalier with a replaced muffler and it’s already cracked after a month of driving I do drive a lot so maybe that’s why but it always drips water too
- 1
2
votes
1
answer
152
views
How long is 1 qt extra oil safe to drive on (manufacturer calls for it during track days)?
The manual for my car calls for adding an additional quart of oil during track events. I always empty the excess when I get back home from my local track.
But there's an event next year at a track ...
- 21
1
vote
0
answers
38
views
Add LED Light to Car Interior Light
I have a Nissan X-Trail 2015 which has two light bulbs as front interior light.
This light is very weak, so I thinking about adding my own LED panel, which contains 16 LEDs and 4x 100 resistors. This ...
0
votes
0
answers
31
views
Sound from gear box
I had to brake hard bcuz of another car and that evening my wife drove to the store and she noticed the the brake assist was on and parking brake was on not sure if drive with it on or not as she had ...
0
votes
0
answers
40
views
Chevy cavalier 1999 hot rod hot wired radiator fan
Long story short I have a chevy cavalier with a hot wired radiator fan and I noticed my car stays cooler in the winter.will my car be fine or a should I install a aftermarket thermostat for the custom ...
0
votes
0
answers
52
views
Chevy Bolt - High Initial Energy Consumption
We just got a 2023 Bolt and its reporting energy consumption numbers that seem way out of line -- a "lifetime" (all of 152 miles) efficiency of 1.8 mi/kWh, and a "since full charge"...
- 14.5k
0
votes
0
answers
44
views
Why does my abs lights stay on 90percent of the time but when they do go off I know know that the next time I brake I'm going to slide all over road
I just bought a car and now I won't drive it because I'm scared at this point....my ABS lights stay on all the time except every now and then when I'm driving they will go off but when this happens ...
- 1
0
votes
0
answers
280
views
Chevy C1500 89 turns off when put into drive gear
At first it was not turning on because of injector not working and got the problem fixed. The fuel pump, ignition coil, spark plugs, and spark plug wires also got changed. Now the current problem that ...
- 131
1
vote
1
answer
1k
views
What happens if I mix green and orange coolant in a 2008 Chevy cobalt?
It’s a 2008 Chevy cobalt ss. I recently bought the car from a friend, and it sat for awhile before I bought it. I’m now trying to update all its needs, and I wasn’t sure what coolant was in it to ...
0
votes
1
answer
179
views
1989 Chevrolet S10 Blazer AC issue
I have a 1989 S10 Blazer with a 4.3 L V6 engine.
It has an AC that is giving me some trouble.
Observed Behavior: When i slide the mode selector to any AC mode , it blows the ac fuse.
Ive replaced the ...
- 349
1
vote
1
answer
78
views
Gunk around wheel cylinder. (Drum brakes)
'07 Cobalt LS, rear drums
I find some slightly sticky brown 'goo' around where this wheel cylinder mates with the backing plate. (Picture below) The other side doesn't have this. I don't find ...
- 1,123
2
votes
2
answers
2k
views
One of my daytime running lights don’t work In the day time but in the night time it turns on
I have a 2017 Camaro and one my DRL doesn’t light up in the day but works in the night time perfectly fine. Also if I switch my lights to Manual they both turn on but the bad one isn’t as bright
2
votes
0
answers
198
views
Help needed to diagnose metalic spinning wheel sound - Chevy Sonic
I hopelessly need your help to identify the source of the strange sound coming from my 2015 Chevy Sonic with 1.4 Turbo engine. It is like the sound of a fortune wheel hitting at metallic flapper ...
- 21
1
vote
1
answer
4k
views
Air Intake Issues on Chevy Cruze (Lack of Power, Jerking, Etc)
Car Details
2013 Chevy Cruze
History of Coolant issues, in the past 4 years I've replaced the water outlet valve, many many hoses, thermostat, temperature sensors, and ending with the radiator a few ...
- 441
1
vote
1
answer
108
views
Fuse for gauge and button lights in Toyota Sienna
When I turn on the head lights in my 2014 Toyota Sienna LE, the gauge lights, AC button lights in the front and the second row no longer turn on. Lights such as tire pressure low indicator, ...
- 185
2
votes
1
answer
287
views
Substitute oxygen sensor gasket?
'07 Cobalt, 2.2L
Replacing the (whole) exhaust. I got the (heated) O2 sensors off, but the gasket ring on the downstream one is completely buggered. Short of just replacing the sensor, does anyone ...
- 1,123
1
vote
0
answers
278
views
Chevrolet Aveo lt sedan won't start or even click...it ain't the battery or the fuses..what could be the problem?
I have a 2008 aevo Chevrolet and it won't start...it won't even click and it's not the battery or the fuses so what is the problem?? I'm a women so I don't know these things...I'm learning though.....
2
votes
1
answer
24
views
SRS warning light
I recently replaced the instrument cluster in my 2004 trailblazer and the SRS warning is on. I'm thinking that it's because the trailblazer I took it out of had deployed the airbag. Is there a way to ...
