Question about 1990 Yamaha XT 600 E

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Loses power and shuts down after 4000 rpm. - 1990 Yamaha XT 600 E

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Sounds like dirty fuel filters.


Posted on Jun 19, 2009

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Volvo Penta 5 Litre 300hp fuel injected engine sounds an alarm and shuts down to idle if run at 4000 rpm for 8 to 10 mins. All gauges show everything is fine and the engine oil is fresh and at the correct...


It's a safety issue. The computer is trying to save your engine and transmission. If there isn't a light, there still could be a code. It would be in history codes. It takes a scanner to retrieve them. Unless your a race car driver or doing 200 MPH all the time. The RPM's shouldn't stay at 4000 RPM's.

Mar 14, 2015 | Volvo Cars & Trucks

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Why does my 1995 nissan pick up lose power and speed on uphill inclines?


If you keep the RPMS (tach) up to 3000 and above (DONT REDLINE YOU'LL BLOW YER MOTOR UP!) At 3000 RPM to 3500 -4000 RPM is where these motors posses what i figure is a power band that handles most inclines. Down shifting included. DRIVE SAFE

Jun 24, 2014 | 1995 Nissan Pickup

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At 4000 rpm the motor cuts out shuts down but it runs smooth from800 to 3900 rpm and it has a rough idle.


Kind of sounds like low fuel pressure or bad ignition. Clean spark plugs, distributer, and fuel filter.

Jan 11, 2013 | 1998 Pontiac Grand Prix

1 Answer

Code p1128 weak mixture lose power on inclines engine light on melts spark plugs vehicle hyundia accent 2001


Go to www.hmaservice.com and register your vehicle by VIN #..
you'll then have access to wiring diagrams, shop manuals,
service bulletins, illustrations, etc. To diagnose a 2000 or 2001 1.5L Accent Diagnostic Trouble Code (DTC) P1128 (FUEL SYSTEM LEAN -- PART LOAD), check the following:
  • Check the intake system for air leaks.
  • Check that the Mass Air Flow (MAF) Sensor (P/N 28164-22610) operation meets the specifications listed below. If the MAF sensor output is significantly lower than the reference value (10% or more), then replace the MAF sensor.
Table 1: Using the Hi-Scan Pro in the Hyundai Diagnostic Menus Current Data Screen TPS (%) 0
3.5
5.1
7.4
MAF (kg/h) 10
21
30
47
RPM IDLE
2000
3000
4000
Table 2: Using the Hi-Scan Pro in the OBD-II Menus Current Data Screen TPS (%) 0
3.5
5.1
7.4
MAF (g/h) 2.8
6
8.5
12.7
RPM IDLE
2000
3000
4000


WITH MANUAL TRANSMISSION


Table 3: Using the Hi-Scan Pro in the Hyundai Diagnostic Menus Current Data Screen TPS (%) 0
2.4
3.9
5.9
MAF (kg/h) 9.5
19.4
28.8
43
RPM IDLE
2000
3000
4000
Table 4: Using the Hi-Scan Pro in the OBD-II Menus Current Data Screen TPS (%) 0
2.4
3.9
5.9
MAF (g/h) 2.5
5.5
8
12
RPM IDLE
2000
3000
4000

Jun 26, 2011 | Hyundai Accent Cars & Trucks

1 Answer

Hi,my problem is that under 4000 rpm my engine works fine,over 4000 rpm i lose one cylinder. what could be the source of this problem.


Start with the condensor - replace, and then the points gap(.012"-.016") and plug gap (.023"-.028"). If this does not cure the problem give the carb a proper cleaning.

Aug 09, 2010 | 1984 Yamaha XS 400 L Maxim

2 Answers

'97 suburban runs fine until you kick the


Sounds like your catalytic converters may be plugged up. You can do a quick check by loosening the exhaust pipes from the manifolds and see how it performs.

Apr 05, 2010 | 1997 GMC Suburban

1 Answer

1995 buick riviera supercharged after 4000 rpms i lose power seems like its not getting enough fuel. if not this what else could it be


if you are racing the engine up to 4000 rpm in park, you may be hitting the rev limiter - if while driving you have be seeing the start of an ignition problem

Oct 18, 2009 | 1995 Buick Riviera

1 Answer

Galant 95 backfires and shuts down at higher rpms


check ur plug wires they might be mismatched ...joe

Aug 29, 2009 | 1995 Mitsubishi Galant

2 Answers

Ive got a focus st170 and about 4000 revs it seems to missfire


  If you mean in neural it misses this is normal. It has a rev limiter to save the engine. You are bouncing it off the chip at 4000 rpm.

Oct 19, 2008 | Ford Focus Cars & Trucks

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