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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 8, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Audi A6 Quattro 2.8L abs, motor VIN: WAUEH24B6Y
electrical malfonction signal from abs p1606-35-10 intermitent a6 body c5 quattro 2.8L also 17539 lambda intermitent resistance too high o2 sensor b2s1 p1131-35-10
2001 Audi TT 1.8L MIL Lamp on VIN: TRUWX28N61
I'm looking for some answer here, the p1612 is my concern the pcm reports the correct coding even tho its setting a code for being incorrect. My thoughts are a bad pcm? The equipment, trans, engine, etc. indicates coding 07700 and this agrees with factory audi... Trouble codes: P1612 (pcm incorrectly coded), P0420 (catalyst efficiency)
2002 Audi A4 3.0L cooling fans VIN: WAULT68ES2
Car came in with a complaint of the battery dying. found fans came on after a while and killed the battery. I read another post with the same problem but different engine, turbo. No fix on that one just a summary, that said he believed it was the computer. I c...
2004 BMW Z4 2.5i 2.5L lights & compressor VIN: 4USBT334X3
I have an 04 BMW Z4 that came into the shop for a variety of complaints. It has no turn signal or high beam indicator lights on the instrument cluster but both of them work on the outside of the car. The keyless remove works only sometimes, there is no power t...
2001 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP54K21
Guys help me out here, I have a p0440. Gas cap loose displayed on ip. Previously replaced purge seleniod, gas cap. evap vent selonoid. I am loosing pressure at the vent seloniod, if I clamp that off it holds vacuum. Now I have 12v at the vent seloniod all the ... Trouble codes: P0440
2005 Buick Park Avenue 3.8L Blower motor VIN: 1G4CW54K05
Hello everyone! I'd like to thank everyone in advance this one really has me scratching my head. Customer complains that blower motor does not blow every now and then. That it has been getting worse over the past 3 weeks. Vehicle shows up with the blower worki...
2002 Cadillac Seville STS 4.6L Axle seal VIN: 1G6KY54942
Replaced left axle seal with new seal still leakin. Any help would be appreciated.
1971 Chevrolet Corvette 454CID starter,flywheel VIN: 194371S117
This 71 Vette presents with the complaint of repeated starter failures, he has had stock rebuilds, speed shop hi-torque etc. replacements. I disconnected the battery and manually powered up the solenoid to engage the starter pinion into the flywheel ring gear....
1987 Chevrolet G20 Chevy Van 5.0L Excessive Emissions VIN: 1GCEG25HOH
to all u gm techs, I have this van that seems to run a little on the rich side I replaced 02 sensor for a code 45 concern and truck still seems to run a little rich Trouble codes: 45 (oxygen sensor)
1993 Chevrolet K1500 Cheyenne 5.7L Cuts out VIN: 2GCEK19KOP
Most recently in February, the vehicle came in with a no start condition and we found the pick-up coil in the distributor to be bad. Since it had a gang of miles on it we replaced the entire distributor assembly. Vehicle has been fine until recently. As you dr...
1994 Chevrolet K2500 Cheyenne 7.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1GCGK29N2R
Hello all This truck is killing me it will stall right after starting and has low power all the time we performed a full tune up due to burnt plug wires. it will run with the map sensor un pluged or with the return line closed with vicegrips when pinched off t...
1994 Chevrolet Camaro 3.4L Poor Idle Quality, High Idle VIN: 2G1FP22S4R
Hello all I have this camaro here that i replaced the engine in 2 months ago a week later I regasketed and replaeced the cylinder heads in good faith to the customer after one of the head bolts were broken allowing coolant into the valve area. The car is back ... Trouble codes: 35 (Idle Control Error)
1999 Chevrolet Blazer 4.3L blowermotor VIN: 1GNDT13WXX
hi all iatn tech i had 99 blazer automatic a/c system car came in blowermotor not working i had check 3 wires go in module the orange 12v. all time blackis ground and purple/white 5v.signal from electronic climate contrl module there is power go in the blower ...
2000 Chevrolet Venture LS 3.4L cruise VIN: 1GNDX03E54
Hello and thanks in advance for all replies. This is a venture van that came in with the cruise inop. I checked power and ground which was good. I checked all other circuits(on\off, r/a, and set switches) and they checked fine. according to the scanner the cru...
2003 Chevrolet Impala LS 3.8L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 2G1WH52K23
Hello fellow techs, This car was on a road trip when the customer noticed a lack of power and a check engine light.At one point the car would barely go 50 mph.The check engine light started to flash and they shut the car off. It would not restart and was towed...
2005 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHC23275
Hi all Diesel Techs. Truck in for problem won't start after dring about 20 miles, did TSB (Engine harness connectors) drove it, still the same problem, has no ideas what else to check, please advise, thanks.
2006 Chevrolet c8500 8.1L Misfire, MIL Lamp on VIN: 1GBM8C1GX6
this truck is a propane delivery truck that was converted to run on propane. this truck came in yesterday with p0200 (injector control circuit) set. we cleared the codes, and let him drive it, because he had deliveries to make. he brought it back in today, bec... Trouble codes: P0200
2006 Chevrolet HHR LT 2.4L lock cylinder/key VIN: 3GNDA23P66
To the Greatest Group of Auto Technicians in the World. I am not familiar with working on this HHR. The problem we have is that the ignition key got stuck in the lock cylinder. It would not turn to the off position. We were able to remove the key by pushing to...
2003 Chrysler PT Cruiser Touring 2.4L electric locks,radio,no fuse on display VIN: 3C4FY58B73
I have a Pt cruiser that has a no fuse signal on the info cluster when key is on, i checked all fuses and relays. The electric door locks dont work, and have no power to the switches, the radio also doesnt work. Customer said they left the lights on and had to...
1998 Dodge Dakota SLT 5.2L Poor Idle Quality, Stall VIN: 1B7GG22Y8W
the truck was towed in it will idle when cold for a minute and then start to miss and the iac will run the whole way out and shut down the engine. We changed the iac cam sencor and crank sencor checked and set sync. signal changed computer and the tps the weir...
2001 Dodge Grand Caravan ES 3.8L Surge VIN: 2B8GP54L51
This vehicle belongs to my parents. I'm trying to diagnose it at home, so I'm pretty limited on what diagnostic tools I have, only a basic Autoenginuity OBDII scan tool and a few other things. The problem it is having is a surge during low speed cruising (less...
2002 Dodge Grand Caravan Sport 3.3L right rear VIN: 1B4GP44382
see repair history
2004 Dodge Intrepid SE 2.7L long crank VIN: 2B3HD46R04
my head is starting to hurt!! 04 intrepid long crank intermentint and i can not dup. it yet. i have tested fuel pressure drop,tps,map every thing testing good. one thing on the mac mentor i noticed is crank state sync is out of sync. cam state sync ok and cam ...
2005 Dodge Ram 3500 SLT 5.9L steering VIN: 3D7MS48C05
Thanx all for your input in adv. I cant figure this one out .Truck will drive strait but when you turn wheel just a little to keep in lane truck will dart which ever way you are turning.we,ve installed new ball joints ,t-rod ends,all new tires,and has been al...
2006 Dodge Ram 3500 ST 5.9L Unknown VIN: 3D7MX48C26
have a shutter on take off about at 8 mph. shimmed center supprot bearing 1/8 in and 1/4 in. and had no change. checked u joints found to move freely. inspected for loose components found none. shutter is slight and is felt before shift to 2nd gear. any help i...
1993 Ford Thunderbird LX 3.8L timing VIN: 1FAFP6249P
hello to all of you out there in onlineland. any help is appreciated. my problem is the timing. it is just way off. it runs but has very little power. i put it at tdc compression and stabbed the dist but then it wont start it bucks the starter. so i put it bac...
1994 Ford E-350 Econoline 7.5L Excessive Emissions, Hesitation, Misfire VIN: 1FDKE30G4R
Vehicle has misfire mostly at cruise 2500rpm, you can hear the popping from the tailpipe, no conclusive on ignition scope. output from the distributor (PIP) signal are good. primary igntion control from ICM is good. coil is good, no secondary ignition problem....
1998 Ford Explorer Sport 4.0L reverse VIN: 1FMYU24E1W
This vehicle only has this symptom when its first started. When you put car in reverse its starts backing up fine, then it feels like something is binding/ draging. You have to give it more and more throttle to get it to keep moving. It feels like it has a tra...
2001 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53U11
good evening all i have this 2001 taurus here it was in 9 months ago with a check engine lt on and had a p1309 misfire monitor disabled code stored. the customer stated the dealer had replaced the cam synconeiser and cam sensor. after checking placement it was... Trouble codes: P1309
2004 Ford Explorer Sport Trac XLT 4.0L garage shift into D or R VIN: 1FMZU77K14
Customer states ever since he rolled the vehicle 2 years ago he has been experiencing a delayed and harsh engagement into drive or reverse from park or neutral. Has not gotten any worse/better No other problems with any shifts, all other shifts feel perfect, h...
2004 Ford Mustang GT 4.6L suspension VIN: IFAFP4ZRX4
what's going on everyone, i got this Mach 1 here again. I'm still having a problem finding this popping noise. i have replace the R/F wheel bearing and hub assembly, steering gear tube brackets and bushings, lubed the front brakes, and also done all prelim fro...
2004 Ford F-150 FX4 5.4L remote start VIN: 1FTPX14594
Round 2 with this F150 remote start. All other functions of keyless entry and theft deterrent system seem to operate normally. Theft light @ dash upper left flashes repeatedly when trying to activate remote start. Here's the sequence of events: Arm vehicle/one...
1998 GMC C3500 Sierra SL 6.5L noise VIN: 1GDKC34F5W
This city service truck recently had a new clutch installed by the city, but following the clutch installation, the transmission is very noisy when the clutch is engaged with the transmission in neutral. This same "bad bearing" noise is heard in 1st, 2nd and r...
1998 GMC K3500 Sierra SL 6.5L front axle VIN: 1GTHK33F7W
thanks everone for you help! This is a intermitant problem. the four wheel drive works at times. the front axle does not engage at times. When in the shop is has always worked. I replace the actuator and worked good on the lift. went for a test drive worked. A...
2004 Hyundai Santa Fe GLS 2.7L charging system VIN: KM8SB73D54
-have checked all related fuses and ground -beleive the voltage drop for the lamp wire is due to the pre-excitaion resistor -system is not charging even after 2 remanufactered alternators installed
1992 Jaguar Vanden Plas Majestic 4.0L Power Steering Pump VIN: SAJMY1746N
This vehicle had a leaky power steering pump and the steering rack was leaking as well when it came into our shop. I replaced the power steering pump & rack. The power steering pump runs off a drive gear behind the front timing cover. Alldata states the system...
1996 Jeep Grand Cherokee Laredo 5.2L Engine Temperature VIN: 1J4GZ58Y2T
Have a ZJ that overheats on long grade or while towing, temp confirmed with scanner and pyrometer, exceeds 250 under load, fine at all other conditions. Weather does not seem to have an effect, does not consume coolant. Any help would be great. Thank you.
2001 Lexus RX300 3.0L Surge, Cuts out, Misfire VIN: JTJGF10U61
Engine swap after engine swap very eratic 1-2 3-4 shifts no codes. Pull the relay for the heated o2 circuit mil light comes on but trans shifts are smooth and precise. MIL light comes on with corresponding codes for the relay being removed Anyone had a similar...
2004 Lincoln Town Car Ultimate 4.6L steering VIN: 1LNHM83W44
looking for some help. the vehicle came in with stiif steering. inthe parking lot it has alittle assist. when you go for a drive it gets really stiff. new ford steering rack and v.a.m.p solenoid and aftermaket pump. double check pump has lots of pressure. no c...
2001 Mercedes-Benz ML320 3.2L remote VIN: 4JGAB54E61
Hey Guys, hope someone can help me. I have this ML320 and I can synchronize the keyless entry remote but it only works the first time and will not work again until I synchronize again. Has anyone seen this or can help me go in a certain direction, please. I on...
2000 Mercury Grand Marquis GS 4.6L steering box VIN: 2MEFM74W8Y
after replacing pitman arm seal twice repair lasts for two weeks and seal blows again,sector shaft looks ok and seal was installed correctly.not sure if box or pump causing excessive pressure.
1991 Mitsubishi Montero RS 3.0L Excessive Emissions VIN: JA4GJ41S3M
Am having trouble with diagnosing the high HC at idle. CTS is with factory spec. MAF reading in hz is high at both idle and cruise. According to aldata the idle hz range is 25-45 hz we read 65-75 and at 2000 rpm spec is 85-105 and we read 145-165hz. MAF readin... Trouble codes: 11 (lean o2)
2001 Nissan Maxima GLE 3.0L passing gear VIN: JN1CA31D81
while driving the car under normal conditions the transmission shifts good,if you accelerate hard while driving the car at 60mph it will downshift to 1st gear and stay there until you let up on the gas, have checked the tps, checks good with a lab scope,had co...
1997 Pontiac Bonneville SE 3.8L starter VIN: 1G2HZ59K3V
Hi Guys, I have this 97 Bonneville that will not crank with the key, but cranks if you jump the starter solenoid. With the key ON and if you jump the starter solenoid it still will not start just cranks. The security light on the dash is on, I'm thinking it ha...
2005 Porsche Cayenne Turbo 4.5L Coolant pipes VIN: WP1AC29P15
Hey all - this Cayenne came in with the infamous coolant leak under the intake. I hadn't done one before but there is good info on this issue on iATN. So I replaced the upper three coolant pipes with the updated (aluminum) parts from Porsche. Put the car bac...
2000 Saab 9-3 2.0L Poor Idle Quality VIN: YS3DD58H1Y
Car is idling at about 1300 rpms.Have tried to reset the throttle body twice so i doubt that is the cause of it.But it still idles at about 1300 rpms.All help is greatly appriciated
2002 Saab 9-5 Arc 3.0L MIL Lamp on VIN: YS3ED59Z62
Dear automotive people. Please alow me the next question.This car sets the folowing mil code po410 secondairy air injection system.According to all data there is a way to run the air pump trough the tech 2 scan tool.I did my utmost best but was not able to fig...
2004 Saturn Vue Red Line 3.5L tcc VIN: 5GZCZ63474
at 45-50 mph tcc cycles on and off about every 2-3 seconds. it has over heated converter causing shudder. tcc pressure control solonoid is at 460 milliamps when shudder occurs. at speeds over 50 tcc pressure control solonoid is above 900 milliamps and no shudd...
1997 Subaru Legacy L 2.2L Hesitation, Cuts out, MIL Lamp on VIN: 4S3BD4354V
1998 Subaru Legacy Outback 2.5L Mechanical VIN: 4S3BG6854W
We are in the process of replacing the oil pump oring and the timing belt, when we found out that the parts that are needed arent in stock.We had the timing belt off the engine. Well this is where the question starts, the passanger side cams werent locked toge...
1999 Toyota Camry LE 2.2L service engine light VIN: JT2BG22K4X
we have had a problem with this small evap leak for a while now and we cannot seem to pin point the problem. Weve done a smoke test and a driveability test, and no leaks were located and the driveability test showed normal after the evap soleniods and gas cap ... Trouble codes: P0208
2001 Toyota Sequoia Limited 4.7L skid control module VIN: 5TDBT48A61
Any time vehicle is accelerated from a dead stop the skid cotrol actuates for just a second like you are peeling out then returns to normal. No ABS or check engine lights. All wheel speed sensors are working and tone wheels look good. The only thing out of the...
2004 Volkswagen Passat GLS 2.0L Mechanical VIN: WVWPE63BX4
Hi Guys,I got this vw,we replaced 2x cv shaft and fuel filter,now when in drive or reverse it has a nasty viberation,only when car is not moving,driving is fine in neutral it is ok,car has a lowerd suspension but this was done 2 years back,we don't have the ol...
1991 Volvo 740 2.3L No Start VIN: YV1FA8848M
Car initially came in a no start, fuel pump out. Replaced fuel pump, and repaired tower relay contacts. Now this Swedish Meatball has an intermittent no start, hot or cold, the affected system is the ignition, there is no spark, fuel pressure good, noid flash ...
1999 Volvo V70 X/C AWD 2.4L Poor Idle Quality, MIL Lamp on VIN: YV1LZ56D0X
This vehicle has had intermittent & varying trouble codes recurring at random for a year. It has had codes P0134, P0137, P1332 (VVT), P0422 (cat efficiency) Currently has recurring P1133 & P1171 codes that reset despite MAF sensor replacement. In the past I ha... Trouble codes: P1171 (Long term fuel trim -upper limit), P1133 (Front heated oxygen sensor intermittent signal)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 525i 2.5L Hesitation, MIL Lamp on VIN: WBADT43441
Hello, Everyone...sorry for the delay in closing this request, but wanted to confirm the fix...i think that christopher from hawaii hit it on the head best...as i was confused and looking for power at the brown wire...but after sending it to the dealer, they c... Trouble codes: P0491 (Insufficient secondary air flow).
2005 BMW 745Li 4.4L Surge VIN: WBAGN63575
hi all thanks for the replies here is the summery there were no codes we did check with auto logic all the modules . the problem was the customer change one tire in the rear and the other 3 tires had about 20% life on them at 80mph there was a 1 to 3 mph diffe...
2005 BMW 320i 2.2L door locks VIN: WBAVA76070
First of all I would like to thank everyone that replied. My apologies for not replying earlier, I have just finished putting it back together with final tests. The actual problem was that it had a blown 15 amp fuse in the main junction/fuse box behi...
2001 Buick Century Limited 3.1L Electronic VIN: 2G4WY55J31
well after checking power and grounds to the trans we found we lost power the the yellow wire in the plug for trans so we checked harness from the trans to the ecm and found a spot where the wire had rubed on something metal and cut it in half . thanks to all ...
1996 Chevrolet Blazer 4.3L Hesitation, Cuts out VIN: 1GNCT18W4T
Thanks for all the replies! Most said to replace fuel pump which I did...again. That did not fix the problem, I then went to the injectors and fuel meter which made this thing run like a new one! I was in denial about the injectors because this thing ran ok wh... Trouble codes: P0131, P0151, P0155, P0420.
2000 Chevrolet Cavalier 2.2L Hesitation, Surge, Stall VIN: 1G1JC52427
Fix was flipping crank gear over. No excuse. Been there done these. They are as simple as they get to line up. Ok, I was fishing a bit to see if anyone could tell with the compression numbers I provided if they could diagnose the mechanical problem. I stil...
2003 Chevrolet Silverado 2500 HD 6.0L Misfire, MIL Lamp on VIN: 1FTSX21Y06
Basically not knowing what to do next and based on the lean condition on Bank 1, we went with Fuel Supply. We changed the Injectors and the truck runs perfect. We have not seen this before ... is there some way to objectively test for injector flow ? Peter... Trouble codes: P0300.
2003 Chevrolet Astro 4.3L Fuel Gauge VIN: 1GNDM19XX3
Well I got some gray hair on this one, after figuring out the power wire did not come from the PCM, I started testing the pink wire from the relay center to the steering column and found a bad splice behind the fuse box about four inches from the connection @ ...
2002 Chrysler Voyager LX 3.3L Harsh downshift 3rd to 2nd gear VIN: 1C4GJ25302
Thanks for everyones help - due to the overwhelming conclusion that the solenoid pack and gasket leak are common - parts are ordered. Verified leak is from front of trans in solenoid area. Will have to bring vehicle to Chrysler so they can hook up there scan t...
1998 Dodge Durango 5.2L abs VIN: 1B4HS28Y4W
cut wires to abs module,brake light voltage was normal.replaced abs module all is well.thanks for all the help
1991 Ford Explorer XL 4.0L engine
Hello everyone, This vehicle is out of here.Good news is its fixed.Here`s alittle more info on this vehicle.Many of the responders said timing chain jump a tooth or so others said vacuum leak.I was leaning towards timing chain but just out of curiosity i remo...
1997 Ford F-150 4.6L MIL Lamp on, Reduced power mode VIN: 66VNC68722
Thank you for all replies. after futher testing and driving we found that the temp. gauge would jump into the red during the loss of power event. after performing a block test (positive) we have isolated problem to blown head gaskets. customer decided to trade... Trouble codes: P0020 (Intake camshaft position sensor open bank 2).
2004 Ford Explorer NBX 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMZU73K14
thanks for all that helped. it turned out to be a bad injector on number five cyil. I also replaced the coil pack unit as well. Trouble codes: P0395, P0316.
2006 Ford F-250 Super Duty XL 5.4L venting fluid
research tells me pump is bad , replaced pump and installed oe (dealer)external filter ... thanx all ,,,good luck ..
2006 Ford Escape Hybrid 2.3L air bag light VIN: 1FMCU96H66
Thanks for all the help. I replaced the drivers side seat belt and this fixed vehicle. No more airbag light and all codes clear!Thanks again everyone. Alfred
2000 GMC Jimmy SLE 4.3L lack of power VIN: 1GKCT118W2
Thanks for all the help. a litle more info pryot to this problem there where outher issues I found out car has had a missfire for about six months. two weaks ago had a no start,it was an open coil power wire. it turned out to be a couple of problems. the fir...
2003 GMC Sierra 2500 HD 6.0L Starting VIN: IGTHK29U73
Hello again, I am extremely embarrassed to report that one of the pins at the lower connector on the NEW range switch was bent flat over!!! I should have looked at the other shops work first but I did not. When we did look we could see that the connectors see...
1987 Honda Prelude 2.0 Si 2.0L idle valve VIN: JHMBA3144H
Thank's to all, We replaced the idle air valve with a new one, not a junkyard one ,this did the trick! Thank's Again, G.T.
2002 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG22562
Thanks to everybody that offered suggestions. The vehicle is now performing as expected and to the best of my knowledge, pulling, nspecting and cleaning the injectors and fuel rails was the key. When the customer ran the vehicle out of fuel, it apparently drug... Trouble codes: P1399 (p0301-), P0301 (p0302-), P0302 (p0304-), P0304 (p0305-), P0305 (p0300-), P0300 (testing and results).
2000 Jaguar XK8 4.0L Hesitation, Surge, Misfire VIN: SAJJA42C4Y
Sorry for the delay. We have called the customer and have gotten insurance involved. The compression is low. A cylinder leakdown only showed 6%. I did use a long screwdriver and liquid paper and all 8 cylinder APPEAR to be the same. Sorry I have no fix, we...
2004 Jaguar XJ8 4.2L Ipod hook-up VIN: SAJWA71C04
Well I need to close this post. I received three responses the one that was most helpful was from Mike [...]. He stated that Jaguar sells an audio connectivity module and harness part # C2S 44674. This is a good # and when finances allow I will purchase it a...
2001 Kia Sephia LS 1.8L MIL Lamp on VIN: KNAFB12141
This vehicle DID return on that friday as scheduled. I was able to finish the vehicle to the customers satifaction. the 128 code was just a radiator cap not holding pressure. the 460code was as most of the replies suggested the level sensor on the side of the ... Trouble codes: P0460.
2001 Lexus ES300 3.0L 1-2 shift, VIN: JT8BF28G01
Thanks to all that have replied to my request for help. I checked the ground as Stuart from Florida suggested (Cleaned) with no change. I tried another computer,same results. Customer took the car to the dealer. They were to let me know the findings,but have n...
1990 Lincoln Mark VII LSC 5.0L air springs
thanks to everyone who replied.sorry for the delay on not responding before now we tried several switching of regerlators,hight adjuster. customer decided to go with springs all way around.many thanks anyway.leroy
2005 Mercedes-Benz CLK500 5.0L left rear tail lights VIN: WDBTK75J75
the problem ended up being a defective rear sam module, thanks for all the help guys!!
2002 Mercury Sable LS Premium 3.0L Misfire VIN: 1MEHM59S22
Got a little egg on my face over this one. After running the vehicle for a while while trying to figure out why it was still missing when loaded up in reverse we noticed that mode 6 data went back to normal on all 6 cylinders. We also discovered were connect...
1995 Pontiac Firebird 3.4L Cuts out, lacks power VIN: 2G2FS22S8S
The customer declined any further repairs. After doing some testing I found that the engine is running too rich at 2500rpm and above, While monitoring engine vacuum during this condition, vacuum was at 0hg. My next step is to check the injectors and possible c...
1997 Pontiac Grand Am SE 3.1L Poor Idle Quality VIN: 1G2NE52M4V
PCV valve was the problem, psv worked fine when cold but it was getting stuck once the engine warmed up. Pcm was able to compensate in drive, but in park IAC count was limited and pcm could't do much to compensate for big internal vacuum leak that could not ...
1999 Saturn SL 1.9L fuel gauge VIN: 1234QD6612
Sorry about updating the fix, Took the dash back off and wound the guage needle 1 turn clockwise and just a little past so it would sit against the stop . Put back in and it's been fine since. I actually did the same to my wife's olds intrigue when someone jum...
2001 Suzuki Grand Vitara XL-7 2.7L Pressure plate/flywheel VIN: JS3TX92V61
Thanks to those who attempted to help. I appreciate the efforts. My hunch was correct about the flywheel. We obtained a new OEM and found that it had an offset surface. The disc surface is .020"" higher than the surface the pressure plate bolts to. The machine...
2000 Volkswagen Passat GLS 1.8L compressor VIN: WVWNA23B8Y
Thanks for the help. The fix was 2 broken wires to the high pressure switch, the brown wire and the white/red wire near the sensor had been smashed and were broken. Repaired wires and all is well.
2000 Volvo S40 1.9L No Start, Poor Idle Quality, MIL Lamp on VIN: YV1VS2550Y
yes i replaced the fuse for number 21 fixed the problem and found a short in the harness repaired and rectified cust complaint now iam getting a fc for engine speed and my scan tool rpm reads 3400 at idle iam going to replace the engine speed sensor. but this ... Trouble codes: 2D, 5C, 8A (idle air control valve signal to low), 1A (Front O2 pre heated signal to low), 1C.
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